Initial data indicates that city and highway fuel efficiencies do not differ greatly. It uses a skin-like plastic liner or bladder inside a steel gas tank. As fuel is burned, the bladder collapses, thus minimizing gasoline vapour that would normally escape from a tank. The Honda Insight has a 40-litre gasoline tank. These prices are listed in Canadian dollars.
Web site provides insurance estimates for a number of makes and models.
Honda Insight batteries are designed to last the life of the vehicle and do not require any regularly scheduled replacement. Prius batteries are covered for 8 years or 100,000 miles under a warranty. Insight batteries are covered for 8 years of 80,000 miles under a warranty.