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Global greenhouse gas (GHG) emission and fuel economy standards for light-duty vehicles (LDVs) have progressed significantly in a little more than a decade. Ten years ago, only four governments had...

Discrepancy between passenger vehicle type-approval test results and in-use fuel consumption and carbon dioxide (CO2) emissions now at 42 per cent The average gap between official fuel consumption...

The Republic of Korea's national strategy for green growth aims to make that country the world’s seventh largest green economic power by 2020. New light-vehicle fuel efficiency standards are one of...The Republic of Korea's national strategy for green growth aims to make that country the world’s seventh largest green economic power by 2020. New light-vehicle fuel efficiency standards are one of...

Most governments of countries (or, in the case of the European Union, regions) with large auto markets regulate passenger vehicle fuel efficiency or CO2 emissions (essentially the same thing, since...We've updated our comparison of passenger vehicle fuel-efficiency standards worldwide, improving the test cycle conversion factors used to translate the standard values among the different...

Europe’s passenger-car efficiency regulation has very effectively driven down the official average CO2 emissions and fuel consumption of new passenger cars in the EU. The 2015 target of 130 grams of...

On June 21, 2013, the Mexican government published final standards regulating CO2 emissions and the fuel economy equivalent for new passenger vehicles, including cars, pickup trucks, and SUVs. The...

Improving fuel efficiency is a key element in China’s long-term strategic plan for the automobile industry, and the focus of previous and current passenger car fuel consumption regulations there....