Mr. Toad's Tours is a family owned sightseeing company specializing in boutique, personalized tours of San Francisco in eco-friendly pre-1930s touring cars. All vehicles are customized pre-1930s touring cars, similar to the ones that started the tourism industry in San Francisco in the 1920s. Each of the vehicles is eco-friendly and equipped to run on Propane (LPG) or Natural Gas (CNG)

http://www.mrtoadstours.com/