Fuel Economy

 
Will Fuel Economy Rules Require Future Cars To Use Premium Gas?

Will Fuel Economy Rules Require Future Cars To Use Premium Gas?

Carmakers are pursuing continual fuel-economy gains to meet the Corporate Average Fuel Economy (CAFE) standard of 54.5 mpg set for 2025. Their engineers work to squeeze every last bit of efficient from cars and trucks, but so far there's been little consideration of the fuel itself. Some... read more

April 30, 2015 by  -
 
Student team vehicles at the 2015 Shell Eco Marathon Americas

Shell Eco Marathon: Why Odd Cars Built By Students Matter

Many of the cars are more like enclosed bicycles, and virtually none of them could operate on public roads or highways. But the Shell Eco-Marathon offers some useful lessons... read more April 17, 2015 by 


 
2012 Nissan Leaf with roof rack fitted

Yes, Roof Boxes And Ski Racks Really Do Cut MPG—More Than You Might Think

If you follow our coverage on fuel efficiency, you know that real-world mileage numbers don't always measure up to the official EPA ratings. But if you think failing to meet... read more April 15, 2015 by 


 
2017 Ford F-150 Raptor, 2015 Detroit Auto Show

Ford Patent For 11-Speed Automatic: Transmission Wars Escalate

Time was that the most gears you could get in an automatic transmission was three or four. Then came five- and six-speed automatics, which are now pretty much the standard... read more April 14, 2015 by 


 
EcoCar 3 Chevrolet Camaro

How A Chevy Camaro Gets Greener: Student Competition In EcoCar 3

All cars are getting more fuel-efficient under the rising requirements for corporate average fuel economy (CAFE) from now through 2025. Still, if you thought about the... read more April 13, 2015 by 


 
Gordon Murray

Shell Project M Concept City Car: Huge Efficiency Gains Possible, Designer Gordon Murray Says

Famed car designer Gordon Murray will team up with former Honda engine specialist Osamu Goto and oil company Shell to develop a concept for "an ultra-compact, efficient car... read more April 9, 2015 by 


 
Elio Motors founder Paul Elio at New York Auto Show press conference, Apr 2015

The Challenges Paul Elio Faces To Launch A Three-Wheel, 84-MPG, $6,800 Car

Startup Elio Motors, which needs $230 million to begin production of its radical lightweight, two-seat, three-wheeled fuel-efficient vehicle, is still about $165 million... read more April 8, 2015 by 


 
2015 Chevrolet Silverado 1500 LTZ

EPA Insider: Agency Bluffed Carmakers To Get CAFE Standards

Sometimes in negotiations, it's best to open with an unrealistic offer. That leaves room to deal. In the end, the party making the offer gets what it really wanted--less than... read more April 7, 2015 by 


 
2014 Peterbilt 579

Should Heavy-Duty Truck Owners Consider Mild-Hybrid Systems?

As carmakers work to meet stricter global emissions standards, many regular internal-combustion cars will adopt some degree of electrification--including systems with... read more April 3, 2015 by 


 
Gas pump

Miles Driven Are Rising, But Gas Consumption Continues To Fall

It may not be the most practical solution, but driving less generally seems like one of the most straightforward ways to save fuel. Now, two recent studies show that it... read more March 31, 2015 by 


 
Daimler Trucks North America SuperTruck

Daimler Unveils SuperTruck; 12-MPG Semi Is More Than Twice As Fuel-Efficient

Heavy-duty trucks make up a fairly small percentage of the traffic on U.S. roads, but they cover many more miles each year than the average passenger car--with much worse... read more March 27, 2015 by 


 
DeltaWing four-seater road car concept

DeltaWing Road Car: 57 MPG Combined, Four Seats, No Electric Motor

The idea of an all-electric Nissan BladeGlider sports car now seems to be somewhere between delayed and defunct, but the narrow-front delta-wing shape continues to intrigue... read more March 24, 2015 by 


 
Gas pump

Gas Mileage Rules For 2025 Could Be Lowered If Buyers Stick With SUVs

Thus far, automakers appear to have had little trouble meeting the corporate average fuel economy rules that started for 2012 vehicle and will rise steadily through 2025. The... read more March 19, 2015 by 


 
Ford's 5-millionth EcoBoost-equipped vehicle

Ford Marks 5-Millionth EcoBoost Engine Since 2009

Back in 2009, Ford introduced what would become the backbone of its fuel-efficiency strategy: the EcoBoost line of efficiency-focused engines. Ford has used the smaller... read more March 18, 2015 by 


 
Honda Automatic Emergency Braking (AEB) demo  -  Japan, 11/2012

Should Safer Cars Get Credit For More MPG? Automaker Trade Group Says Yes

As corporate average fuel economy standards continue to tighten each year, car companies have so far kept pace with the rising gas-mileage rules. But automakers are seeking... read more March 11, 2015 by 


 
Goodyear concept tires

Goodyear Shows Concept Tire That Generates Electricity From Motion

It's common for automakers to preview new styling or technology elements with concept cars, but now tire companies are doing the same with their wares. Concept tires may not... read more March 10, 2015 by 


 

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