docs.nlr.gov/docs/fy00osti/28960.pdf

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車両エアコンが燃費と排出ガスに与える影響

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This document analyzes the impact of vehicle air-conditioning on the fuel economy and tailpipe emissions of conventional and hybrid electric vehicles. It indicates that air-conditioning can reduce fuel economy by approximately 50% and increase emissions significantly. The introduction of the Supplemental Federal Test Procedure (SFTP) has motivated the reduction of vehicle air-conditioning system sizes in the U.S. The document highlights that air-conditioning can decrease the fuel economy of mid-sized vehicles by over 20% while substantially increasing NOx and CO emissions. Ultimately, the goal is to reduce the fuel used for vehicle climate control by 50% in the short term and 75% in the long term.