Fuel Economy

 
Elaborate engine: Variable-compression Infiniti yields small efficiency gains

Elaborate engine: Variable-compression Infiniti yields small efficiency gains

Turbocharging has mostly not lived up to its billing of being the savior of internal-combustion engine technology. Earlier this decade, facing increasing fuel economy requirements, automakers rushed to boost fuel economy by adding turbochargers to lots of small engines. The problem is, many of them... read more

November 6, 2018 by -
 
Smokestacks pollution air quality

Trump fuel-economy proposal writes off rising global temperatures

It's not that the Trump administration doesn't believe in climate change. It just doesn't want to do anything about it. In a 500-page draft environmental impact statement... read more September 28, 2018 by


 
Paul Elio with 5 successive prototype Elios

Elio Motors to buy engines, abandons building its own

Elio Motors, which has been struggling since 2009 to build its own ultra-cheap, small, fuel-efficient, three-wheeled car, announced Thursday that it will source an engine... read more September 27, 2018 by


 
2019 Honda Insight

2019 Honda Insight review update: Putting the Civic on notice

That sound you hear isn’t the 2019 Honda Insight’s hybrid powertrain whirring along. It’s the undertaker coming for the vaunted Honda Civic nameplate. The... read more September 4, 2018 by


 
Overloaded Subaru Legacy with stuff on roof

How to save gas on Labor Day trips

Labor Day is one of the biggest travel weekends for all year, as Americans close out the summer and enjoy a last excursion before heading back to school. That makes it one of... read more August 31, 2018 by


 
Byton M-Byte electric SUV prototype

VW diesel settlement, California clean air, and fuel economy demands: Today's Car News

California clean air regulators held a reportedly contentious meeting with Trump administration officials over the proposal to roll back fuel economy standards. A wide survey... read more August 30, 2018 by


 
Volkswagen turbodiesels await their fate near Pikes Peak International Raceway in Colorado Springs

Final deadline for VW TDI diesel settlement

Two more days. That's all the time owners of 2.0-liter diesel VWs have to file claims to receive a large financial settlement and to have their cars repaired to meet... read more August 30, 2018 by


 
2017 Ford Focus Electric window sticker showing 115-mile range rating

Americans still want better fuel economy, survey says

Just as the Trump administration moves to roll back fuel economy standards, a new survey shows that Americans are dissatisfied with the fuel economy their cars already get... read more August 30, 2018 by


 
2019 Chevrolet Cruze

2019 Chevy Cruze's upcoming CVT rated at 33 mpg combined (Updated)

Fuel economy estimates posted to the EPA's website for the redesigned 2019 Chevrolet Cruze show some changes—plus a big surprise. The latest ratings reveal that the EPA... read more August 29, 2018 by


 
Jaguar E-Type Zero

Electric Jaguar E-Type, EPA blowback, Tesla pileups, and giant hybrid drones: The Week in Reverse

Who objected to the Trump administration's plans to freeze emissions and fuel-economy standards? What was recalled going back to the beginning of modern electric cars? This... read more August 25, 2018 by


 
Mazda6 undergoing real-world emissions testing in Europe [Credit: LSDSL - Wikipedia]

Explainer: What is WLTP and why should you care?

Starting next month, Europe will implement the first phase of new fuel economy and emissions standards that were intended to take effect worldwide. Automakers are required to... read more August 24, 2018 by


 
Petro-Canada gas station, Crossfields, Alberta, with electric-car charging station

Commentary: Fuel-economy standards don't need to be rolled back to make cars SAFER

Smaller, lighter cars always get the blame when politicians want to lower fuel-economy standards. They lobby that too many Americans will be driving lighter cars and that... read more August 14, 2018 by


 
2018 Mazda CX-5

Mazda CX-5 diesel gets 28-mpg EPA city rating

The Mazda CX-5 diesel took one step closer to production by receiving an EPA rating. Jalopnik made the find and reported the ratings on Wednesday. With front-wheel drive, the... read more August 9, 2018 by


 
Teen driver - busy street- AAA Foundation for Traffic Safety

Multi-speed transmissions and turbochargers don't save much fuel–oh, really? Analysis (Updated)

In President Trump's plan to freeze fuel economy standards last week, the EPA and NHTSA made a strange statement. They said that two of the main technologies used to improve... read more August 9, 2018 by


 
Traffic

EPA could base emissions, mpg rollback on tired safety argument

In the latest draft of new fuel economy and emissions standards obtained by the Associated Press, the Trump administration argues that reducing mileage standards will improve... read more August 1, 2018 by


 
2019 Mercedes-Benz A-Class aerodynamic testing

2019 Mercedes-Benz A-Class sedan sets wind-cheating record

Efficiency comes in many automotive forms: electric powertrains, continuously variable transmissions, smaller-displacement engines. More aerodynamic designs help efficiency... read more July 26, 2018 by


 

 
 

 
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