Sentences with phrase «liquid transportation fuels like»
While power generation can be shifted to other energy sources rather than coal, it's not so easy to find substitutes for liquid transportation fuels like petrol, diesel fuel, or jet fuel.
http://www.jeffrubinssmallerworld.com/ Not exact matches
Undoubtedly these are early days, and many challenges remain in creating truly sustainable biofuels, and certainly in creating truly sustainable aviation — but unlike land and sea transportation, airlines have very few if any alternatives to liquid fuels, so initiatives like this are an encouraging sign that aviation may be able to weather the inevitable transition to a post fossil - fuel economy.