The document contains summaries of reasons for and against various vehicle types including solar powered cars, diesel vehicles, sport utility vehicles, and hybrid cars. It discusses disadvantages of solar powered cars like inability to operate at night and reduced speeds in clouds. It provides 5 reasons people buy SUVs including cargo space and perception of safety. It notes the Think City hybrid car can go 65 mph with a 120 mile range and reasons people buy hybrids include environmental concerns and high gas prices.