Diesel Tops List of Technologies to Meet New CAFE Requirements Say Auto Engineers
The annual DuPont survey of Society of Automotive Engineers World Congress attendees shows that environmental issues such as fuel economy, CAFE and emissions or clean air regulations top the list of challenges facing the automotive industry, outranking cost reduction for the first time in 14 years.
Fifty percent of respondents see diesel engine technology as a key focus to help achieve 2020 efficiency regulations (35-mpg in U.S. and sub-120g/km CO2 in Europe), while 46 percent say hybrid-electric powertrains and 42 percent say extensive use of lightweight materials. Optimizing diesel and hybrid-electric engines will dominate engineers’ work for the next 10 years, say 25 percent and 24 percent of respondents, respectively. In 10 years, vehicles will run on bio-based diesel fuel (27 percent); petroleum-based diesel (20 percent) and E85 (20 percent). Only 18 percent predict gasoline will dominate
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