Meeting climate targets requires a rapid acceleration in the fuel economy of vehicles

November 4, 2021

To help put the world on track for net zero emissions by 2050, automakers need to almost triple the pace of fuel economy improvements compared with the past 15 years.

The analysis in the new report shows that in practically all countries in 2019, battery electric vehicles had the lowest emissions, followed by plug-in hybrids and hydrogen fuel cell electric vehicles. Hybrid vehicles have the lowest well-to-wheel emissions among vehicles with internal combustion engines using gasoline, diesel or compressed natural gas. By 2030, the difference is set to be even starker because the production of electricity and hydrogen becomes less emissions-intensive as low-carbon sources increasingly displace fossil fuels.

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