As the price of gas continues to rise, fewer folks are buying automobiles–especially gas-guzzlers like trucks and SUVs. Throw in a limping economy, record job losses, and a crippled housing market, and it’s amazing anyone drives anywhere other than to work and the grocery store. There’s also the growing environmentally conscious crowd who is concerned over the impact emissions from internal combustion engines have on global climate change. Short of everyone switching to bicycles as their primary means of transportation,