“These findings show that CO2 emissions from the new car fleet in Europe can be reduced even if the market share of diesel cars would continue to fall in future years. In fact, a transition from diesel cars to advanced gasoline technology and either hybrid or plug-in vehicles, including gasoline plug-in hybrid and battery electric vehicles, would reduce the net costs of complying with a hypothetical 70 g/km CO2 standard for 2025.”

Shifting Gears

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Recent Publications

In September, China’s Ministry of Environmental Protection issued the first national standard for portable emission measurement system (PEMS) testing of heavy-duty vehicles (HDVs). This regulation is a supplement to all existing requirements...

2017.11.15 | Policy update

Survey-based summary of regulatory agencies' programs to monitor and enforce compliance with vehicle emission and fuel consumption standards.

2017.11.14 | Report

Identifies 20 cities with the highest electric vehicle uptake through 2016 and examines the associated local policies, incentives, and infrastructure that have helped spur electric vehicle sales growth.

2017.11.08 | Briefing

Staff Blog


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  • Delta should double down on CSeries, fuel savings

    Bombardier's new aircraft is mired in trade disputes, and that's creating some uncertainty over Delta Air Lines' order for 75 CS100 planes. But if Delta keeps its eye on the fuel savings it will reap—and remembers that the clean-sheet design CSeries is going to easily meet the ICAO CO2 standard—it will buy those aircraft, and more.

  • Zero emission buses are worth reaching for, but emission performance standards are the low-hanging fruit

    Sales of battery electric buses are surging, yet a complete technology transition won't happen overnight. Meanwhile, tightening emission standards on conventionally powered buses would have immediate benefits for air quality in many of the world's fastest growing megacities.

  • The hidden cost of Indonesia’s biodiesel mandate to consumers

    Indonesian drivers probably don’t realize they are paying more at the pump because of their country’s biodiesel mandate, which sets ambitious targets for the blending of biodiesel in diesel fuel. Indonesia’s biodiesel mandate is scheduled to increase to 30% in 2020, and as total transport fuel consumption is expected to grow steadily, this means the total amount of biodiesel required, and the total additional fuel costs to consumers, will ramp up quickly.

  • Early Christmas present to the car industry, or lump of coal? The European Commission regulatory proposal for reducing new vehicle CO2 emissions post-2020

    A first reaction to the European Commission's proposal, released yesterday, for extending the new-car and light-commercial vehicle CO2 emissions standards out to 2030.

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