<human>:  Are electric cars better for the environment than gas-powered cars?
<bot>: Yes, electric cars are generally considered to be better for the environment than gas-powered cars. Electric vehicles produce no direct emissions from the tailpipe, which means they don't pollute the air like gas-powered cars do. In addition, since electric cars don't need to use gas or oil, they require less maintenance and have lower operating costs overall. Furthermore, electric cars usually have a much higher fuel efficiency than gas-powered cars, meaning they use less energy to travel the same distance.