Thứ Tư, 26 tháng 9, 2018

NPR News: Fuel Efficiency And Smog In Arizona

Fuel Efficiency And Smog In Arizona
The EPA is holding hearings on a proposal to relax fuel efficiency standards. Arizona has come out in opposition — the state has a bad smog problem and was counting on the fuel rules to help fix it.

Đọc tiếp trên NPR
September 26, 2018 at 04:14PM
Environment

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