Recently, the U.S. Department of Energy (DOE) proposed lowering the range ratings of electric vehicles for use in the National Highway Traffic Safety Administration's (NHTSA) Corporate Average Fuel Economy (CAFE) program, a move that could force Automakers are selling more low-emission cars or revamping traditional models.
CAFE is the English abbreviation of corporate average fuel economy (corporate average fuel economy). It is the weighted average fuel economy of the car company's annual sales of each model, usually measured in miles per gallon (MPG). express. The CAFE standard applies to passenger cars or light trucks sold in the United States with a gross vehicle weight (GVWR) of 8,500 pounds or less.
This standard is regarded as the benchmark in the industry, and its scientific nature and credibility are the most prestigious in the industry. CAFE includes two parts: the city driving cycle (FTP) and the highway driving cycle (SFTP). The numerator of the proportion of FTP is 0.55, while SFTP is 0.45. After calculation, the comprehensive fuel economy can be obtained.
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Editor in charge: Du Yu