Why have alternative-fuel/non polluting cars not replaced or partially replaced the

Eric

New member
fossil fuels? This isn't an opinionated question, it's just for a school assignment. Are they too expensive, are there not enough facilities to power them? I'd also like you consider answering a second question: what are the disadvantages of alternative-fuel cars in comparison to ones that depend on fossil fuels? Thanks to all answers!

P.S. PLEASE include a source!
I'm just in Grade 9 so I'd appreciate if you select your jargon carefully. Thanks.
 
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