2010 (2)
2014 (136)
2015 (338)
2016 (372)
2017 (389)
2018 (91)
各種燃料二氧化碳排量如下,在美國推電動車的經常以天然氣發電排放為參數,其中有一些大學研究報告,這樣要好很多;但是美國有大約40%的電是用燃煤發電。如果以後X年後都轉成天然氣發電就好了。
Pounds of CO2 emitted per million British thermal units (Btu) of energy for various fuels:
Coal (anthracite) | 228.6 |
Coal (bituminous) | 205.7 |
Coal (lignite) | 215.4 |
Coal (subbituminous) | 214.3 |
Diesel fuel and heating oil | 161.3 |
Gasoline | 157.2 |
Propane | 139.0 |
Natural gas | 117.0 |