Alternative fuels to reduce air pollution Flashcards
What are biofuels (bioethanol and biodiesel)?
Produced from plants. They can directly replace petrol and diesel and have lower particulate emissions
What are problems with biofuels?
Crops needed to make biofuels can reduce biodiversity
What is Liquefied petroleum gas (LPG)?
A gas produced from fossil fuels that has lower emissions than petrol or diesel
What are problems with LPG?
Cars need to be converted to use LPG, and service stations have to be adapted to distribute it
Why are electric cars good?
They have lower emissions since they run off batteries, rather than conventional fuel
What are problems with electric cars?
Need recharge points, and producing and disposing of the batteries can cause environmental problems