Current hydrogen fueled cars can run up to 265 miles on a single tank. This statistic easily competes with most modern gas cars. Also, the only byproduct is pure water, making it extremely green, and enviornmentally friendly. Unfortunately, hydrogen cars don't have a quick acceleration time, but that is hardly necesary for daily car use. Most early hydrogen cars come with free maintenance, as well as free fuel, overcoming some of the problems that might arise.