Writer's Block: Transportation

[nova_myth]

[Error: unknown template qotd]Invented yes, perfected no. Clean energy mass transit. The best I've learned of are cars running on hydrogen which is an easy source that doesn't require us burning mass amount of any kind of non renewable rescourses. Like with electricity, most is produced by burning coal. There is no such thing as clean coal really. Ethenol puts way too much pressure on the other parts of the economy as land is converted from growing other needed crops for corn. Also, effecient transprotation isn't found in most cities and that would cut down on emissions by billions if that was accomplished.