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NHTSA LOOKING AT SIZE FOR FUEL ECONOMY STANDARDS...begins on page one

机译：NHTSA寻求燃油经济标准尺寸...从第一页开始

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Prong,aimed at the 2008 model year,will likely be an extrapolation of the 1.5 mile per gallon increase in the Corporate Average Fuel Economy (CAFE) standard for light trucks the Bush administration issued two years ago,industry sources say.The standard would rise from 20.7 mpg to 22.2 mpg over three years.But the second prong,for the subsequent model years,would be an attribute-based system with vehicle size as the main element fuel economy standards would be pegged to.The Advanced Notice of Proposed Rulemaking for "Reforming the Automotive Fuel Economy Standards Program" illustrates graphically what a sized-based system could look like.If vehicle size were fixed,the fuel economy standard would be based on the shadow of the vehicle,length times width.The smaller the vehicle shadow,the higher fuel economy standard it would have to meet.This means that each vehicle would need to meet a specific fuel economy target,rather than be part of a corporate average.
机译：业内人士称，以2008车型年为目标的普朗可能是对布什政府两年前发布的轻型卡车公司平均燃油经济性（CAFE）标准每加仑1.5英里的推算。三年内从20.7 mpg增至22.2 mpg。但是，在随后的模型年中，将采用基于属性的系统，以车辆大小作为主要燃料经济性标准。 “改革汽车燃油经济性标准计划”以图形方式说明了基于尺寸的系统的外观。如果车辆尺寸固定，则燃油经济性标准将基于车辆的阴影，长度乘以宽度。车辆阴影越小，则必须达到更高的燃油经济性标准。这意味着每辆车都需要达到特定的燃油经济性目标，而不是成为公司平均水平的一部分。

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