Engine science beyond the gas engineThe pros and cons of present and emerging automotive propulsion.
Top 5 Fuel-Efficient Vehicles*
Latest Fuel-Efficient Car reviews
Fuel Efficiency Index
- 10 Light Cars Redefining Performance
- 20 ways to save gas this summer
- 2013 cars that get 35 mpg
- 2013 Volkswagen Jetta Hybrid: Review
- 4-door faceoff
- 5 Cars: Small Size, Big Luxury
- 5 Large Cars That Are Great Values
- 5 new electric vehicles worth a look
- America's most fuel-efficient cars
- Chevrolet Malibu ECO: Review
- Coming to America
- Commuter Cars — to the Max
- Crossovers: The 25+ mpg club
- Eclectic Autos That Defy Categories
- Electric sports cars are coming
- Engine science beyond the gas engine
- Fisker Karma: First drive review
- Fuel-efficient used cars under $10k
- Gee, what’s mpge?
- High-Mileage Cars to Beat Gas Prices
- Infiniti’s Emerg-E: best of show?
- Is CNG viable to power your car?
- Is it time to buy a hybrid?
- LA 2012: Best fuel-efficient cars
- Lexus unveils show-stopping concept
- Luxury hybrid and electric cars
- More power and more mpg
- Most efficient cars: 1993-2013
- Most fuel efficient in New York
- Most fuel-efficient pickups of 2013
- Plug-in Cadillac ELR set for 2013
- Plug-In Day electrifies 65 cities
- Pump-wise pickups
- Should you buy a 40-mpg car?
- Stars and their eco-friendly cars
- The future of alternative propulsion
- The most fuel-efficient AWD vehicles
- Top 10 green cars for 2013
- Want to Save Money at the Pumps?
- Your fuel mileage may vary — Why?
Explore New Cars
About Fuel Efficiency
With budgets tight, gas prices in flux and fuel economy on everyone’s mind, it’s more important than ever to possess the latest information on fuel-efficient vehicles and energy-saving technologies. Gone are the glory days of the gas-guzzling big rig, replaced instead by a new sensitivity (and sensibility) to driving vehicles that deliver more for less, all while being easier on the planet and pocketbook. Thanks to ongoing advances in engine, transmission and production technologies, the coming generation of fuel-efficient vehicles may also be cheaper to own and maintain. So whether it’s a fuel-sipping gas-engined model, an MPG-smashing diesel or any number of exciting new possibilities, MSN Autos’ Fuel Efficiency section is your key to getting more out every gallon of fuel. Look here for the latest reviews of fuel-efficient cars, trucks and SUVs, along with fuel-saving tips and helpful tools to help you go that extra mile.




