Hello Mazza- That article was interesting news! However biking is not possible for everyone to commute to work. Plant Green is a great link that explains lots of ways to start making your commute more green whether small steps of combining errands or purchasing a hybrid-- http://planetgreen.discovery.com/go-green/commuting/index.html . It offers great information, statistics,( Like 19.4 pounds of CO2 is release for every one gallon of gas) as well as a how to guide for trying to be more green.