Driving a car is the most polluting act an average citizen commits. Emissions from cars is going up in Canada and the US despite attempts to make engines more fuel-efficient. The main reason is that cars are getting bigger and pick-up trucks and sport/utility vehicles replacing smaller, lighter cars. The average new vehicle in 1998 consumed more fuel than its counterpart in 1988. Exhaust from engines combine to produce adverse effects on the health of drivers and all other people. Cars and trucks are dangerous machines. Commercials for cars and trucks show vehicles in wilderness loc
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