Are Electric Vehicles Really Better for the Climate? Yes. Here's Why - Union of Concerned Scientists
Company Profile and History
Nissan Group becomes No. 1 full-line manufacturer in EPA's annual fuel economy review
Meet the 40 MPG Club
Ranking the Airlines by Fuel Efficiency Fuel economy, Fuel efficient, Most fuel efficient cars
Why electric cars are only as clean as their power supply, Electric, hybrid and low-emission cars
Great Fuel Economy For Less: 5 Affordable Used Cars That are Surprisingly Good on Gas - Autotrader
Which car is the most fuel-efficient? - Quora
What Are the Most Fuel-Efficient Cars?
Hybrids are very popular, but are they good for the environment? : NPR