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Accelerating Transport to Zero Emissions
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Wed 20 December 2006 View all news
The US Environmental Protection Agency (EPA) is changing the way it estimates vehicle fuel economy from 2008. The EPA says it is using more realistic driving conditions to give vehicle buyers the most reliable information on the cleanest and most fuel efficient vehicles that best meet their needs. The new 2008 fuel economy estimates are lower for petrol vehicles than the estimates for the same vehicle built in 2007. However, diesel models generally do better than was reported under the earlier methodology. The fuel efficiency of hybrid vehicles has been particularly overstated - by around 8% according to the latest EPA calculations. The updated 2008 window sticker which indicates fuel economy in the United States reflects a broader, updated range of 'real world' factors which the EPA says give a better guide to actual fuel usage. An EPA spokesman said: "Driving has changed so much, since we last updated the method in 1984, that we were due for a change...We have faster interstate highway speeds, 65 to 70 miles an hour in some areas, up from 55. We also have a lot more vehicles equipped with air conditioning." The US EPA publishes an on-line 'Green Vehicle Guide' to give vehicle buyers the most accurate and up-to-date information on the lowest carbon vehicles that can meet their needs.
Related links
Just Auto report link
Environmental Protection Agency (EPA) - Green Vehicle Guide
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