Anyone could have told you this...but it just shows that internal combustion engines have not hit the efficiancy wall yet.
NEW YORK (CNNMoney.com) -- Despite all the hype for electric cars and hydrogen fuel cells, experts say we'd better get used to pumping gas, but we can look forward to much better fuel economy down the road.
"For the foreseeable future, the gasoline engine will stay the predominant power source," said Uwe Grebe, General Motors' executive director for advanced powertrain engineering.
That's because, despite it's imperfections, the internal combustion engine has a lot of inherent advantages but plenty of room for improvement. As those improvements are made, future gasoline engines will be more and more fuel efficient, making it tougher for competing technologies to show a big benefit.