IEA technology and policy reports outline paths to halving fuel used for combustion-engined road transport in less than 40 years
Green Car Congress
SEPTEMBER 20, 2012
Average fuel economy and new vehicles registrations, 2005 and 2008. The index is built from the four key policies needed to improve fuel economy: fuel tax, CO 2 -based vehicle tax, fuel economy standards and labeling. Source: Technology roadmap. Click to enlarge. Increase international collaboration on fuel economy.
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