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Going green? The unexpected investments helping to reduce vehicle emissions

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WisdomTree
WisdomTree

Globally about 15% of the world’s Greenhouse Gas (GHG) emissions come from the transportation sector. Despite improving fuel efficiency in cars over the past seven decades, the fact that more people in the world use cars means that global emissions from the transport sector continue to rise. However, pollution abatement equipment can help reduce emissions from cars. Autocatalysts are a key technology in this regard. 

Platinum and palladium in autocatalysts 

Nitesh Shah, Director, Research, WisdomTree
Nitesh Shah, Director, Research, WisdomTree

An autocatalyst is a device installed in internal combustion engine cars that converts harmful pollutants into safer gases. Platinum group metals (PGM) including platinum, palladium and rhodium are key ingredients in the autocatalysts that generate this chemical conversion. Autocatalysts were first introduced in the mid-1970s and today, are used in almost all internal combustion engine vehicles (including hybrid vehicles). In addition, fuel cell vehicles also use platinum (not palladium or rhodium) as the main catalyst in the reactions to produce electricity and water from hydrogen fuel and water. 

How important are autocatalysts for PGM demand?   

In 2019, automobiles accounted for 34% of platinum demand and 84% of palladium demand. So, the auto industry is the key driver of demand for both platinum and palladium.  

Vehicle sales versus regulation 

Tightening emission regulations generally increases the demand for the platinum group metals. Demand for platinum group metals will also vary with the volume of vehicle sales. Historically it has been emission regulation that has had a greater influence on demand. According to World Platinum Investment Council’s calculations, global vehicle sales between 1990 and 2019 rose by 1.6 times whereas the combined demand for platinum, palladium and rhodium in cars rose by 6.2 times. The fact that the rise in automobile platinum group metal demand was more than the increase in car sales indicates that higher loadings have been the chief driver of demand growth. Emission regulations are continuing to tighten globally for both passenger and commercial vehicles. 

Gasoline vs. diesel cars 

Today, there are higher loadings of palladium in gasoline autocatalysts and higher loadings of platinum in diesel autocatalysts. However, both autocatalysts carry some loadings of each metal. The catalytic efficiency of each metal is influenced by engine temperature, fuel type, all fuel quality and durability of the autocatalyst’s washcoat. Diesel engines operate at lower temperatures than gasoline engines and run with a leaner gas stream containing lots of oxygen. Under these conditions, platinum is a more active catalyst for the conversion of carbon monoxide (CO) and hydrocarbons (HC) to harmless emissions. However, the addition of some palladium to the platinum catalyst can improve its thermal stability. This is an advantage when reducing diesel particulate matter from the exhaust. This process involves trapping the particulate matter in a filter and then raising the temperature of the system to oxidise the matter to CO2. At these higher temperatures, palladium improves the thermal durability of the catalyst, helping it perform optimally for the lifetime of the vehicle. 

Diesel cars falling out of favour 

Europe is the largest diesel passenger car market in the world. In most of the rest of the world, gasoline cars dominate. However, even in Europe, diesel cars have fallen out of favour following ‘Dieselgate’ and tightening particulate emissions standards across Europe, where diesel cars do not perform as well as their gasoline equivalents (see figure 01 below).

New passenger cars by fuel type in the European Union
Source: European Automobile Manufacturers Association. Data as of September 2020.

Platinum versus palladium price 

In 2010, platinum used to trade close to 3 times the price of palladium. Dieselgate accelerated the trend of rising palladium relative to platinum prices. Today, platinum trades below half the price of palladium. Palladium’s growing demand and tightening supply have been a boon for prices (see figure 02 below).

Source: Bloomberg. Data from 01 September 2010 to 01 September 2020.

Economical to substitute? 

With such a wide price differential between platinum and palladium, it’s a natural question to ask if platinum can be substituted for palladium? Industry experts including Johnson Matthey, believe there is some limited scope for substitution. Not necessarily in gasoline cars but more in terms of substituting out palladium in diesel cars with higher loadings of platinum. However, auto manufacturers are notoriously secretive about their technologies which makes it difficult to comment on what scale this will occur. In addition, it is rumoured that auto manufacturers are using their scarce engineers to develop electric vehicles and so auto manufacturers are averse to divert them to PGM substitution projects. 

Trucking industry 

While globally more passenger cars use gasoline than diesel, trucks generally use more diesel. Emission standards for trucks are tightening. Notably in India the government has tightened regulations to broadly match European standards in 20205. China will implement similar standards phased between 2021 and 2023. This is likely to be a strong catalyst for platinum demand. 

Car sales in COVID-19 era 

Passenger car sales had fallen hard during the COVID-19 pandemic, but as lockdown conditions ease, car sales appear to be rebounding strongly in China, Europe, and US (see figure 03 below). China and US are predominantly gasoline markets so the rebound in sales there mainly helps boost palladium prices. The rebound in European car sales should also help platinum prices.

New passenger car registrations
Source: WisdomTree, Bloomberg. Data to 31 July 2020.

The concentration in supply 

Supply in both platinum and palladium is highly concentrated. South Africa accounts for nearly 70% of platinum’s global supply while South Africa and Russia collectively provide around 70% of palladium supply globally. While platinum is expected to be in a slight supply surplus this year, palladium continues to be in an acute supply deficit with demand continuing to grow and supply relatively stable.  

Conclusions 

Both platinum and palladium are important materials for pollution abatement technology in cars. Platinum, which has been heavily utilised in diesel passenger cars, has fallen out of favour in recent years. However, with tightening regulations for commercial vehicles globally we are likely to see that demand rise. Palladium, which has seen growing demand and is in a supply deficit is likely to see constructive fundamentals for years to come.

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Analys

’wait and see’ mode

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SEB - analysbrev på råvaror

So far this week, Brent Crude prices have strengthened by USD 1.3 per barrel since Monday’s opening. While macroeconomic concerns persist, they have somewhat abated, resulting in muted price reactions. Fundamentals predominantly influence global oil price developments at present. This week, we’ve observed highs of USD 89 per barrel yesterday morning and lows of USD 85.7 per barrel on Monday morning. Currently, Brent Crude is trading at a stable USD 88.3 per barrel, maintaining this level for the past 24 hours.

Ole R. Hvalbye, Analyst Commodities, SEB
Ole R. Hvalbye, Analyst Commodities, SEB

Additionally, there has been no significant price reaction to Crude following yesterday’s US inventory report (see page 11 attached):

  • US commercial crude inventories (excluding SPR) decreased by 6.4 million barrels from the previous week, standing at 453.6 million barrels, roughly 3% below the five-year average for this time of year.
  • Total motor gasoline inventories decreased by 0.6 million barrels, approximately 4% below the five-year average.
  • Distillate (diesel) inventories increased by 1.6 million barrels but remain weak historically, about 7% below the five-year average.
  • Total commercial petroleum inventories (crude + products) decreased by 3.8 million barrels last week.

Regarding petroleum products, the overall build/withdrawal aligns with seasonal patterns, theoretically exerting limited effect on prices. However, the significant draw in commercial crude inventories counters the seasonality, surpassing market expectations and API figures released on Tuesday, indicating a draw of 3.2 million barrels (compared to Bloomberg consensus of +1.3 million). API numbers for products were more in line with the US DOE.

Against this backdrop, yesterday’s inventory report is bullish, theoretically exerting upward pressure on crude prices.

Yet, the current stability in prices may be attributed to reduced geopolitical risks, balanced against demand concerns. Markets are adopting a wait-and-see approach ahead of Q1 US GDP (today at 14:30) and the Fed’s preferred inflation measure, “core PCE prices” (tomorrow at 14:30). A stronger print could potentially dampen crude prices as market participants worry over the demand outlook.

Geopolitical “risk premiums” have decreased from last week, although concerns persist, highlighted by Ukraine’s strikes on two Russian oil depots in western Russia and Houthis’ claims of targeting shipping off the Yemeni coast yesterday.

With a relatively calmer geopolitical landscape, the market carefully evaluates data and fundamentals. While the supply picture appears clear, demand remains the predominant uncertainty that the market attempts to decode.

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Analys

Also OPEC+ wants to get compensation for inflation

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SEB - analysbrev på råvaror

Brent crude has fallen USD 3/b since the peak of Iran-Israel concerns last week. Still lots of talk about significant Mid-East risk premium in the current oil price. But OPEC+ is in no way anywhere close to loosing control of the oil market. Thus what will really matter is what OPEC+ decides to do in June with respect to production in Q3-24 and the market knows this very well. Saudi Arabia’s social cost-break-even is estimated at USD 100/b today. Also Saudi Arabia’s purse is hurt by 21% US inflation since Jan 2020. Saudi needs more money to make ends meet. Why shouldn’t they get a higher nominal pay as everyone else. Saudi will ask for it

Bjarne Schieldrop, Chief analyst commodities, SEB
Bjarne Schieldrop, Chief analyst commodities, SEB

Brent is down USD 3/b vs. last week as the immediate risk for Iran-Israel has faded. But risk is far from over says experts. The Brent crude oil price has fallen 3% to now USD 87.3/b since it became clear that Israel was willing to restrain itself with only a muted counter attack versus Israel while Iran at the same time totally played down the counterattack by Israel. The hope now is of course that that was the end of it. The real fear has now receded for the scenario where Israeli and Iranian exchanges of rockets and drones would escalate to a point where also the US is dragged into it with Mid East oil supply being hurt in the end. Not everyone are as optimistic. Professor Meir Javedanfar who teaches Iranian-Israeli studies in Israel instead judges that ”this is just the beginning” and that they sooner or later will confront each other again according to NYT. While the the tension between Iran and Israel has faded significantly, the pain and anger spiraling out of destruction of Gaza will however close to guarantee that bombs and military strifes will take place left, right and center in the Middle East going forward.

Also OPEC+ wants to get paid. At the start of 2020 the 20 year inflation adjusted average Brent crude price stood at USD 76.6/b. If we keep the averaging period fixed and move forward till today that inflation adjusted average has risen to USD 92.5/b. So when OPEC looks in its purse and income stream it today needs a 21% higher oil price than in January 2020 in order to make ends meet and OPEC(+) is working hard to get it.

Much talk about Mid-East risk premium of USD 5-10-25/b. But OPEC+ is in control so why does it matter. There is much talk these days that there is a significant risk premium in Brent crude these days and that it could evaporate if the erratic state of the Middle East as well as Ukraine/Russia settles down. With the latest gains in US oil inventories one could maybe argue that there is a USD 5/b risk premium versus total US commercial crude and product inventories in the Brent crude oil price today. But what really matters for the oil price is what OPEC+ decides to do in June with respect to Q3-24 production. We are in no doubt that the group will steer this market to where they want it also in Q3-24. If there is a little bit too much oil in the market versus demand then they will trim supply accordingly.

Also OPEC+ wants to make ends meet. The 20-year real average Brent price from 2000 to 2019 stood at USD 76.6/b in Jan 2020. That same averaging period is today at USD 92.5/b in today’s money value. OPEC+ needs a higher nominal price to make ends meet and they will work hard to get it.

Price of brent crude
Source: SEB calculations and graph, Blbrg data

Inflation adjusted Brent crude price versus total US commercial crude and product stocks. A bit above the regression line. Maybe USD 5/b risk premium. But type of inventories matter. Latest big gains were in Propane and Other oils and not so much in crude and products

Inflation adjusted Brent crude price versus total US commercial crude and product stocks.
Source:  SEB calculations and graph, Blbrg data

Total US commercial crude and product stocks usually rise by 4-5 m b per week this time of year. Gains have been very strong lately, but mostly in Propane and Other oils

Total US commercial crude and product stocks usually rise by 4-5 m b per week this time of year. Gains have been very strong lately, but mostly in Propane and Other oils
Source:  SEB calculations and graph, Blbrg data

Last week’s US inventory data. Big rise of 10 m b in commercial inventories. What really stands out is the big gains in Propane and Other oils

US inventory data
Source:  SEB calculations and graph, Blbrg data

Take actual changes minus normal seasonal changes we find that US commercial crude and regular products like diesel, gasoline, jet and bunker oil actually fell 3 m b versus normal change. 

Take actual changes minus normal seasonal changes we find that US commercial crude and regular products like diesel, gasoline, jet and bunker oil actually fell 3 m b versus normal change.
Source:  SEB calculations and graph, Blbrg data
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Analys

Nat gas to EUA correlation will likely switch to negative in 2026/27 onward

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SEB - analysbrev på råvaror

Historically positive Nat gas to EUA correlation will likely switch to negative in 2026/27 onward

Bjarne Schieldrop, Chief analyst commodities, SEB
Bjarne Schieldrop, Chief analyst commodities, SEB

Historically there has been a strong, positive correlation between EUAs and nat gas prices. That correlation is still fully intact and possibly even stronger than ever as traders increasingly takes this correlation as a given with possible amplification through trading action.

The correlation broke down in 2022 as nat gas prices went ballistic but overall the relationship has been very strong for quite a few years.

The correlation between nat gas and EUAs should be positive as long as there is a dynamical mix of coal and gas in EU power sector and the EUA market is neither too tight nor too weak:

Nat gas price UP  => ”you go black” by using more coal => higher emissions => EUA price UP

But in the future we’ll go beyond the dynamically capacity to flex between nat gas and coal. As the EUA price moves yet higher along with a tightening carbon market the dynamical coal to gas flex will max out. The EUA price will then trade significantly above where this flex technically will occur. There will still be quite a few coal fired power plants running since they are needed for grid stability and supply amid constrained local grids.

As it looks now we still have such overall coal to gas flex in 2024 and partially in 2025, but come 2026 it could be all maxed out. At least if we look at implied pricing on the forward curves where the forward EUA price for 2026 and 2027 are trading way above technical coal to gas differentials. The current forward pricing implications matches well with what we theoretically expect to see as the EUA market gets tighter and marginal abatement moves from the power sector to the industrial sector. The EUA price should then trade up and way above the technical coal to gas differentials. That is also what we see in current forward prices for 2026 and 2027.

The correlation between nat gas and EUAs should then (2026/27 onward) switch from positive to negative. What is left of coal in the power mix will then no longer be dynamically involved versus nat gas and EUAs. The overall power price will then be ruled by EUA prices, nat gas prices and renewable penetration. There will be pockets with high cost power in the geographical points where there are no other alternatives than coal.

The EUA price is an added cost of energy as long as we consume fossil energy. Thus both today and in future years we’ll have the following as long as we consume fossil energy:

EUA price UP => Pain for consumers of energy => lower energy consumption, faster implementation of energy efficiency and renewable energy  => lower emissions 

The whole idea with the EUA price is after all that emissions goes down when the EUA price goes up. Either due to reduced energy consumption directly, accelerated energy efficiency measures or faster switch to renewable energy etc.

Let’s say that the coal to gas flex is maxed out with an EUA price way above the technical coal to gas differentials in 2026/27 and later. If the nat gas price then goes up it will no longer be an option to ”go black” and use more coal as the distance to that is too far away price vise due to a tight carbon market and a high EUA price. We’ll then instead have that:

Nat gas higher => higher energy costs with pain for consumers => weaker nat gas / energy demand & stronger drive for energy efficiency implementation & stronger drive for more non-fossil energy => lower emissions => EUA price lower 

And if nat gas prices goes down it will give an incentive to consume more nat gas and thus emit more CO2:

Cheaper nat gas => Cheaper energy costs altogether, higher energy and nat gas consumption, less energy efficiency implementations in the broader economy => emissions either goes up or falls slower than before => EUA price UP 

Historical and current positive correlation between nat gas and EUA prices should thus not at all be taken for granted for ever and we do expect this correlation to switch to negative some time in 2026/27.

In the UK there is hardly any coal left at all in the power mix. There is thus no option to ”go black” and burn more coal if the nat gas price goes up. A higher nat gas price will instead inflict pain on consumers of energy and lead to lower energy consumption, lower nat gas consumption and lower emissions on the margin. There is still some positive correlation left between nat gas and UKAs but it is very weak and it could relate to correlations between power prices in the UK and the continent as well as some correlations between UKAs and EUAs.

Correlation of daily changes in front month EUA prices and front-year TTF nat gas prices, 250dma correlation.

Correlation of daily changes in front month EUA prices and front-year TTF nat gas prices
Source: SEB graph and calculations, Blbrg data

EUA price vs front-year TTF nat gas price since March 2023

EUA price vs front-year TTF nat gas price since March 2023
Source: SEB graph, Blbrg data

Front-month EUA price vs regression function of EUA price vs. nat gas derived from data from Apr to Nov last year.

Front-month EUA price vs regression function of EUA price vs. nat gas derived from data from Apr to Nov last year.
Source: SEB graph and calculation

The EUA price vs the UKA price. Correlations previously, but not much any more.

The EUA price vs the UKA price. Correlations previously, but not much any more.
Source: SEB graph, Blbrg data

Forward German power prices versus clean cost of coal and clean cost of gas power. Coal is totally priced out vs power and nat gas on a forward 2026/27 basis.

Forward German power prices versus clean cost of coal and clean cost of gas power. Coal is totally priced out vs power and nat gas on a forward 2026/27 basis.
Source: SEB calculations and graph, Blbrg data

Forward price of EUAs versus technical level where dynamical coal to gas flex typically takes place. EUA price for 2026/27 is at a level where there is no longer any price dynamical interaction or flex between coal and nat gas. The EUA price should/could then start to be negatively correlated to nat gas.

Forward price of EUAs versus technical level
Source: SEB calculations and graph, Blbrg data

Forward EAU price vs. BNEF base model run (look for new update will come in late April), SEB’s EUA price forecast.

Forward EAU price vs. BNEF base model run
Source: SEB graph and calculations, Blbrg data
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