Drive Less – Summary Many people like flexibility and safety of cars Many people like suburbs. Mass transit systems requires large $$ investments. Will take many years to transform suburbs into “new towns” Part of the solution, but not the whole solution.
Internal Combustion Engine Engine – 20% efficient Only 20% of gasoline energy is converted to motion.
Fuel Cells and the Hydrogen Economy Fuels Cells use hydrogen to produce electrical energy. They do not burn hydrogen. 2H 2 +O 2 2H 2 O + energy Fuel cells could be used to power cars with hydrogen as the fuel. Clean fuel
Honda Civic Hybrid Sedan $22,600 Hybrid 45 mpg 110 hp
Toyota Yaris Liftback Sedan $11,000 Gasoline 40 mpg 106hp
Honda Fit 5-Door $13,900 Gasoline 37 mpg 109 hp
Honda Civic EX Sedan $18,700 Gasoline 37 mpg 140 hp
Ford Escape Hybrid SUV $26,000 Hybrid 30 mpg 230 hp
How long does it take to change the US auto fleet? 210 million cars and light trucks in US 19 million new cars and trucks each year 200,000 new HEVs in 2005. Vehicles last 140,000 miles or 10 years Changing rolling stock takes several years.
Policies – Feebate Extra fee to buy a gasoline SUV Rebate when buying a HEV Nissan Armada: 13 mpg