youdao

"No, " says Barnett, "but I prefer going to cleaner gas [whatever that means], at least."

“不会。” 巴奈特回答，“但是至少我会选用更清洁的汽油[鬼知道这是什么意思]。”

youdao

Liu says 10% of his capital expenditure goes into pollution controls, that he meets all national standards and is switching to cleaner natural gas.

刘先生说资金的10%花在污染控制上，这样就能够符合所有的国家标准，并且转用清洁的天然气能源。

youdao

India hopes a massive increase in cleaner nuclear power will help it to check greenhouse gas emissions and cut its dependence on oil, most of which it imports.

VOA: standard.2009.09.29

Natural gas burns cleaner than gasoline or diesel, with 20 to 27 percent fewer greenhouse gas emissions.

FORBES: Guest Column: The Shift To Natural Gas Vehicles Is Happening

Tailpipe emissions also would drop, since natural gas burns cleaner than diesel or gasoline.

WSJ: Will Truckers Ditch Diesel for Natural Gas?

Again on the plus side, natural gas burns cleaner than petroleum or diesel fuel, offering two important advantages.

FORBES: Tough Trucking For Natural Gas Vehicles: Can They Make It In The Long Haul?