Japan has perhaps the best clean technology.

日本或许拥有最先进的清洁技术。

youdao

Japan has perhaps the best clean technology.

日本大概拥有最先进的环保技术。

youdao

Air ions hygienic evaluation was in the range of comfort, and the air quality evaluation index was up to a grade (the best clean air).

空气离子卫生学评价结果，单极系数在人体舒适感范围内，空气质量评价指数达到A级以上，为最清洁空气。

youdao

"If we refuse to take into account the full costs of our fossil fuel addiction - if we don't factor in the environmental costs and the national security costs and the true economic costs - we will have missed our best chance to seize a clean energy future."

VOA: standard.2010.06.14

Second place was the Winslow Green Growth ( WGGFX) mutual fund (7.4% return), which is one of what I consider to be the three best clean energy mutual funds.

FORBES: Top Performing Clean Energy Funds in 2010

And I have instructed the Department of Energy to make sure that our federal operations are employing the best possible clean energy technology, alternative energy technology.

WHITEHOUSE: Your Interview with the President

So surprisingly, the best hope for clean, green ethanol right now is to ship it in diesel-powered trucks.

FORBES: Ethanol: Getting There Is None Of The Fun