Fuel Economy
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Hyundai and Kia plan to triple the number of green cars in their combined lineup.
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Do Auto Emissions Kill As Many People As Car Crashes?Researchers compare emissions-related deaths to car crashes, with ambiguous results.
Stephen Edelstein -
Self-Driving Porsche Not Only More Fuel-Efficient, But Faster Than Humans Too
Porsche is testing a semi-autonomous system designed to maximize both efficiency and performance.
Stephen Edelstein -
New Volkswagen TDI Turbodiesel Engine: 268 HP, Electric Turbocharger
Volkswagen will launch a 2.0-liter diesel engine with an electric turbocharger.
Stephen Edelstein -
As Gas Gets Cheaper, Ford Ups Incentives On Smaller, More Efficient Cars
Ford is offering dealers a bonus if they increase sales of certain models.
Stephen Edelstein -
Could Gasoline Below $3 A Gallon Doom Rising Gas-Mileage Rules?
By most accounts, the world is pretty much awash in oil these days. Increases in North American shale-oil production have boosted supply to the point where there's now discussion of the U.S. becoming a net oil exporter sometime in the next decade. Meanwhile, the vehicle fleet is slowly getting more...
John Voelcker -
The penalty paid by the two Korean carmakers is reportedly the largest ever for a Clean Air Act violation.
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Electric Turbochargers Forecast To Boom For Gas-Mileage Gains
Electric turbochargers could become more common as carmakers work to boost fuel economy.
Stephen Edelstein -
Ford Fusion Vs Hyundai Sonata: Mid-Size Sedan Gas Mileage Comparison
We compare the gas mileage of two green mid-size sedans.
Stephen Edelstein -
Another Study Confirms: Hybrids Do Best In Cities, Diesels On Highways
A U.K. study confirms that hybrid cars are best suited to city driving.
Stephen Edelstein -
Hyundai's Updated Hybrid Six-Speed Transmission: For Plug-In Hybrids Too?
Hyundai announces a new six-speed automatic transmission for hybrids.
Stephen Edelstein -
36-MPG Jaguar XJ-S: Hypermiling Owner's Great Lengths For 1984 Luxury Coupe
An owner boosts the fuel economy of his 3.6-liter six-cylinder Jaguar XJ-S.
Stephen Edelstein -
The 2015 Hyundai Sonata Eco is the most fuel-efficient version of the Korean maker's mid-size sedan, aside from its Sonata Hybrid model. And this year, the Sonata Hybrid uses the carryover body from the last-generation model--meaning that if you want the highest-mileage Sonata with the new and more refined design, the 2015 Sonata Eco is the one. DON'T MISS: 2015 Hyundai Sonata: Gas Mileage Review Of New Mid-Size Sedan We've now driven the new Sonata Eco, although we didn't test it on our standard test route. Instead, all of High Gear Media's editors took turns in the Sonata Eco during...
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Is Gas Mileage Really The Primary Factor When Buying A Car?
A plastics-industry backed study says fuel economy is the primary factor when buying a car.
Stephen Edelstein -
EPA To Tighten Gas-Mileage Test Rules, Audit More Ratings From Carmakers
The EPA plans to audit more of the gas-mileage test data submitted by carmakers, and tighten its rules for that testing, after fuel-economy ratings on almost 20 recent models proved to be too high and had to be reduced. The move follows the highly publicized rollbacks of gas-mileage ratings over...
John Voelcker -
China Puts Teeth Into Gas-Mileage Rules, Will 'Punish' Makers Who Don't Comply
China will publicly shame offending carmakers, and limit production.
Stephen Edelstein -
European Auto Industry Asks For Higher Carbon Emission Limits
Led by Volkswagen CEO Martin Winterkorn, carmakers are asking for less-strict European emissions standards.
Stephen Edelstein -
Hyundai And Kia Evaluate Offering Diesels For Fuel Economy In U.S. Cars
Hyundai and Kia are reportedly considering offering diesels in the U.S.
Stephen Edelstein -
Suppose you could take an old engine concept discarded in the 1970s, add modern fuel metering and injection control hardware and software, and offer a compact powerplant that cuts the fuel consumption of today's diesel truck engines by a third.. That's the promise of Achates Power, which has been working for a decade on its horizontally opposed two-stroke diesel truck engine. Now, it says, the company expects to announce its first pilot program with a global engine or vehicle maker within 18 months--almost surely outside the U.S. And it hopes to have a large-scale production contract with a...
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One Million Chevrolet Spark Minicars Sold Globally Since 2009
The U.S. is the second-largest market for the Chevrolet Spark minicar.
Stephen Edelstein -
U.S. Will Meet Fuel-Economy Goals Despite Higher Truck, SUV Sales, EPA Says
An EPA report says carmakers are on schedule to meet the 54.5-mpg CAFE deadline.
Stephen Edelstein -
Toyota To Launch Subcompact Utility Vehicle As Nissan Juke Competitor
The Toyota C-HR concept will reportedly spawn a production subcompact vehicle.
Stephen Edelstein -
Steel Vs Aluminum: Which Wins For Fuel Efficiency AND Cost?
An influx of high-strength steel could take away aluminum's weight advantage, the steel industry hopes.
Stephen Edelstein -
Chrysler Plug-In Hybrid Minivan Will Launch Late Next Year, Company Says
Sergio Marchionne, CEO of Fiat Chrysler Automobiles, has never been a fan of plug-in electric cars. So when he revealed at the Paris Motor Show that a plug-in hybrid version of the next Chrysler Town & Country minivan would arrive late next year, he added a few derogatory comments about the...
John Voelcker
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