But alternative fuels can be many things.

但是代用燃料可以是很多东西。

If they fail to develop alternative fuels, they risk becoming companies without an industry.

如果他们不能开发替代燃料，他们有可能成为没有产业的公司。

In the near future I think the big developments will be alternative fuels.

我认为在不久的未来替代燃料会取得巨大的发展。

Despite constant price fluctuations and the availability of alternative fuels, our global fealty to gasoline and diesel remains unquestionable.

尽管价格不断波动，替代燃料的可获得性，但我们对汽油和柴油的依赖仍然是毋庸置疑的。

The European Commission recently proposed an alternative fuels mandate of 5 percent by 2030 and 20 percent by 2035.

欧盟委员会最近发布的替代燃料法令规定，替代比率在 2030 和 2035年应达到 5% 和 20%。

There certainly is a higher demand in recent years for these types of alternative fuel vehicles than there have been in the past.

近年来，对这些替代燃料汽车的需求肯定比过去要高。

Is that the most important reason to develop alternative fuel and energy sources?

这是开发替代燃料和能源的最重要原因吗？

Heating the limestone with clean electricity or alternative fuels instead would eliminate those emissions.

用清洁电力或替代燃料加热石灰石将消除这些排放。

A-21 isn't like some other alternative fuels that require completely new types of engines.

A-21 不像其他一些需要全新类型发动机的替代燃料。

They led the major manufacturers when it came to emissions and regularly experimented with alternative fuels.

他们在排放方面领先于主要制造商，并定期试验替代燃料。

Regulatory uncertainty and the emergence of alternative fuel sources (natural gas and renewables) will probably make America's future far less coal-reliant than its past.

管理规章的不确定性和可替代燃料能源的出现可能会使美国不再会像过去一样依赖于煤炭资源。

And new technologies may solve the energy efficiency problem with alternative and synthetic fuels, or even hybrid-electric planes.

新技术可能会解决替代燃料和合成燃料甚至混合动力飞机的能源效率问题。

Using alternative fuels and improving energy efficiency is thus both an ecological necessity and a technological challenge.

因此，使用替代燃料和提高能源效率既是生态必需品，也是技术挑战。

But alternative fuels can be many things. Wind, sun and water can all be used to create fuel.

但是替代燃料可以是很多东西。风、太阳和水都可以用来制造燃料。

Of course, China is not the only place where this alternative fuel exists, nor the only place where it is possible.

当然， 中国不是唯一存在这种替代燃料的地方，也不是唯一可能的地方。

Oil has lost most of its value, alternative fuels plus a collapse in the use of plastics has seen to that.

石油已经失去了大部分价值，替代燃料加上塑料使用的崩溃导致了这一点。

The German transport minister says the group of countries that also includes Italy and Hungary wants a separate category of combustion-engine cars that could run on alternative fuels.

德国交通部长表示，包括意大利和匈牙利在内的国家集团希望有一个单独的内燃机汽车类别，可以使用替代燃料。

I mean, they are interested in lots of types of alternative fuels, but we can't overstate how tiny and nascent the market for sustainable aviation fuel actually is.

我的意思是，他们对很多种替代燃料都感兴趣，但是我们想要强调的是，可持续航空燃料市场实际上是非常小的，而且是一个新兴的市场。

With abundant clean electricity, the world can win the race to electrify cars and create cleaner alternative fuels for trucks, ships, and even one day, airplanes.

凭借丰富的清洁电力，世界可以赢得汽车电气化竞赛，并为卡车、轮船甚至有朝一日的飞机创造更清洁的替代燃料。

Some independent thinkers have even produced cars that run on vegetable oil. But as we all know, of all these alternative fuel vehicles, the most practical are electric vehicles.

一些独立的思想家甚至生产了使用植物油的汽车。但众所周知，在所有这些替代燃料汽车中，最实用的是电动汽车。