Considering that traffic and parking are almost always a problem in San Francisco, these figures have particular validity here, especially once you find a good route with fewer hills, less traffic, and fewer stoplights. I've already mentioned the most important reasons for riding a bicycle-it's fun and good for your mental and physical health. The other reasons are also no secret. Since cars are the greatest source of air pollution in this country, cycling reduces air pollution. It also decreases gasoline consumption, and as a result, oil companies will be less inclined to drill within fragile, irreplaceable wilderness areas, such as the Arctic National Wildlife Refuge in Alaska, and subsequently spill oil into the oceans.
Cycling saves money in the form of parking fees, gasoline, and car maintainence.
Finally, if people drive less and bicycle more, our city will be a more liveable place, with less traffic, noise and stress for everyone. Commuting on your bike may be difficult at first, but over time, you will become more time-efficient, and one day you might even vow to not drive within the city. Essential Equipment 1. Any type of bicycle will do for commuting, as long as it is in reasonable condition. If necessary, get a tune-up at bike shop or do it yourself using a bike repair book.