Sentences with phrase «vehicles produced mainly»

Not exact matches

Cities are major contributors to climate change: although they cover less than 2 per cent of the earth's surface, cities consume 78 per cent of the world's energy and produce more than 60 % of all carbon dioxide and significant amounts of other greenhouse gas emissions, mainly through energy generation, vehicles, industry, and biomass use.

Increasingly, agricultural crops such as oil palm, sugar cane, maize, rapeseed, soybeans and wheat, are being used to produce liquid biofuels, mainly to power vehicles.