emissions

 
Beijing Smog: So Bad That Emergency Plans Ban Half Its Cars Each Day

Beijing Smog: So Bad That Emergency Plans Ban Half Its Cars Each Day

In the 1970s, gasoline shortages led to the adoption of a temporary odd-even system for fuel purchases in parts of the U.S. On odd-numbered days of the month, only drivers with a license plate ending in an odd number could buy fuel; the same applied to drivers with even-numbered plates on... read more

March 31, 2015 by  -
 
Oil field (Image: Flickr user johnny choura, used under CC license)

Growing Corporate Power Counters Climate-Change Action, So Reframe Debate, Book Suggests

It's no secret that environmental demands and regulations pose an inconvenience for large corporations--but what if the problem is more fundamental than that? Beyond... read more February 23, 2015 by 


 
Big square baler harvesting wheat straw for production of cellulosic ethanol

Will Biofuels Growth Require Cutting Down Forests? At Scale, Yes, Report Says

Would dramatically cutting emissions be worthwhile if it meant cutting down the world's forests to do it? That appears to be the dilemma faced by policymakers when it comes... read more February 20, 2015 by 


 
Paris, by Flickr user Alexandre Dulaunoy (Used under CC License)

France To Give Dirtiest-Diesel Drivers $11,500 To Trade For Electric Car

French drivers have long preferred diesel cars for their good fuel economy, but increased air pollution from diesel exhaust emissions has become a public health concern. That... read more February 9, 2015 by 


 
Bourgeois Chevrolet, Rawdon, Quebec, Canada   [photo: RoulezElectrique.com]

Would Stressing Personal Risk Of Air Pollution Sell More Electric Cars?

When it comes to electric cars, buyers are often interested in two types of green. The lower environmental impact of a zero-emission vehicle, and the potential to save cash... read more February 6, 2015 by 


 
2015 Porsche Macan undergoes final testing

EU To Toughen Emission Testing, Replicate 'Real-World' Driving

Europe is set to adopt tougher emissions standards intended to produce results closer to what cars achieve in real-world driving. And despite strong efforts by carmakers to... read more February 6, 2015 by 


 
Diesel taxis in London (Image by Flickr user Lars Ploughmann, used under CC license)

UK Official Says Encouraging Diesel Cars To Lower Carbon Was 'Wrong'

For at least 20 years, diesel cars have been much more popular in Europe than in the United States. Because diesel combustion is more efficient than gasoline combustion, the... read more January 30, 2015 by 


 
Diesel

Latest Diesel Engines As Clean As Expected Under EPA Rules, Study Shows

It's been roughly eight years since stricter Environmental Protection Agency (EPA) diesel-engine emissions standards took effect. After a hiatus, significant numbers of... read more January 29, 2015 by 


 
George Matick Chevrolet, Redford, Michigan

GM Lauds Greenest Dealers, Shares Best Practices For Cutting Energy Use

As cars get greener, the environmental impact of the infrastructure used to sell them is getting increased attention. Making dealerships greener can not only lower the... read more January 26, 2015 by 


 
2015 Ford F-150

2015 Ford F-150 Has Lowest Lifecycle Carbon Footprint: Study

The weight savings afforded by its aluminum body, the 2015 Ford F-150 isn't quite the most fuel-efficient full-size pickup truck, as measured by EPA ratings. But how does the... read more January 22, 2015 by 


 
2014 Chevrolet Volt

2014 Was A Good Year For Cleaner, Greener, More Efficient Cars

With the year all but wound down, it's an appropriate time to look back and take stock of what's been achieved over the past 12 months. So how did 2014 measure up in terms of... read more December 31, 2014 by 


 
2014 Mercedes-Benz B-Class Electric Drive  -  First Drive, May 2014

Mercedes B-Class Electric Car Cuts Lifetime Carbon Emissions Up To 64 Percent

The environmental impact of plug-in electric cars continues to be the subject of significant discussion and debate among those less familiar with the technology and its... read more December 18, 2014 by 


 
Chevrolet Spark EV at CCS fast charging station in San Diego.

In Just One Year, Electric Cars Have Gotten Cleaner: How'd They Do That?

Electric cars have no tailpipe emissions, but their overall impact on the environment includes the electricity generated to recharge their batteries. The carbon emissions... read more December 18, 2014 by 


 
Airbus A320

European Project To Boost Energy Efficiency In Airplanes, Test Fuel Cells

When it comes to reducing emissions, cars get plenty of attention--but an increase in air traffic is making aircraft emissions increasingly important. The European Union... read more December 10, 2014 by 


 
2015 Mercedes-Benz S Class Coupe during testing. Photo via Steve Cannon on Twitter.

Europe's Gas-Mileage Test Results Move Further Away From Reality: Report

Your mileage may vary, as the saying goes. But it turns out that real-world fuel efficiency in European cars varies considerably more from official ratings than in the U.S... read more December 10, 2014 by 


 
Gas pump

Average Fuel Economy Falls In New Cars, First Time In 4 Years

As carmakers work to meet tightening global emissions standards, new-car average fuel economy has steadily improved over the past several years. At least, until last month... read more December 9, 2014 by 


 

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