As European Union looks to phase out CO2-emitting cars, e-fuels may be the solution

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As European Union looks to phase out CO2-emitting cars, e-fuels may be the solution

Germany has declared last-minute opposition to a landmark European Union law to end sales of CO2-emitting cars in 2035, demanding that sales be allowed of new cars with internal combustion engines after that date if they run on e-fuels.

The EU law would require all new cars sold from 2035 to have zero CO2 emissions, making it effectively impossible to sell new fossil fuel-powered cars.

The rules – which Germany, alongside a majority of EU countries and lawmakers, previously supported – would not ban internal combustion engines (ICEs).

But the law is seen as a death knell for the technology because of a dearth of options that could enable ICE cars to operate without producing CO2.

Here’s what you need to know.


What Are E-fuels?

E-fuels, like e-kerosene, e-methane, or e-methanol, are made by synthesizing captured CO2 emissions and hydrogen produced using renewable or CO2-free electricity. 

The fuels release CO2 into the atmosphere when combusted in an engine. But the idea is that those emissions are equal to the amount taken out of the atmosphere to produce the fuel – making it CO2-neutral overall.

Germany and Italy want clearer assurances from the EU that sales of new ICE cars can continue beyond 2035, if they run on CO2-neutral fuels.

Who Makes Them?

Most major carmakers are betting on battery-electric vehicles – a technology that is already widely available – as the main route to cut CO2 emissions from passenger cars.

But suppliers and oil majors defend e-fuels, as well as a number of carmakers who don’t want their vehicles weighed down by heavy batteries.

E-fuels are not yet produced at scale. The world’s first commercial plant opened in Chile in 2021, backed by Porsche and aiming to produce 550 million litres per year. Other planned plants include Norsk e-Fuel in Norway, due to begin producing in 2024 with a focus on aviation fuel.


Can E-fuels Clean Up Cars?

E-fuels can be used in today’s ICE vehicles and transported via existing fossil fuel logistics networks – good news for suppliers of ICE car component makers and companies which transport petrol and diesel.

Supporters say e-fuels offer a route to cut the CO2 emissions of our existing passenger car fleet, without replacing every vehicle with an electric one.

Critics highlight that manufacturing e-fuels is very expensive and energy-intensive. Using e-fuels in an ICE car requires about five times more renewable electricity than running a battery-electric vehicle, according to a 2021 paper in the Nature Climate Change journal.

An exhaust pipe of a car is pictured on a street in Berlin, Germany, on Feb. 22, 2018. Germany has opposed the European Union’s law to end the sale of CO2-emmitting cars by 2035. (REUTERS/Fabrizio Bensch/File Photo)

Even advocates say Europe will not have enough spare renewable power to produce e-fuels at scale and will have to import it from other regions.

Some policymakers also argue that e-fuels should be reserved for hard-to-decarbonise sectors such as shipping and aviation – which, unlike passenger cars, cannot easily run on electric batteries.


What Next for the EU Law?

Days before the final vote on the EU law, which was scheduled for March 7, German Transport Minister Volker Wissing called into question Germany’s support for it, surprising policymakers including the environment ministry led by the Greens.

Free Democratic Party member Wissing said the use of e-fuels should remain possible after 2035, and a promised European Commission proposal on this was still missing.

The EU law says the Commission will make a proposal on how vehicles running on CO2-neutral fuels can be sold after 2035, if this complies with climate goals. But Germany’s transport ministry wants clearer assurances.

Berlin’s last-minute move angered some EU lawmakers and diplomats, who warn that allowing one country to torpedo an already-agreed law would endanger other carefully negotiated deals on EU policies.

For now, the future of one of Europe’s core climate change policies is uncertain.

If Germany’s coalition government cannot agree a position on the law, it will have to abstain in the EU vote. Italy has already voiced opposition, alongside countries including Poland – raising the possibility of enough support to block the law.

EU officials are racing to find a solution. The European Commission said on March 6 it is in talks “at all levels” to conclude the law as soon as possible.


What Do Companies Want?

Big auto component suppliers in Germany such as Bosch, ZF and Mahle are members of the eFuel Alliance, an industry lobby group, as are oil and gas majors from ExxonMobil to Repsol.

Carmakers such as Piech, Porsche and Mazda are broadly supportive of the technology. Porsche holds a stake in e-fuel producer HIF Global and is the sole buyer of fuel from its pilot project in Chile. 

BMW has invested $12.5 million in e-fuel startup Prometheus Fuels, while also investing billions in battery-electric technology.

Other carmakers including Volkswagen and Mercedes-Benz, meanwhile, have made clear that they are betting on battery-electric vehicles to decarbonise.