emissions

 
Could an EU switch to on-road emission tests allow more pollution?

Could an EU switch to on-road emission tests allow more pollution?

The Volkswagen diesel scandal convinced European regulators to switch from laboratory emissions testing to tests that involve actual, on-road driving. This could prevent automakers from deploying "defeat device" software like the kind used by VW on laboratory tests, as well as produce results that... read more

November 8, 2016 by -
 
Classic Volkswagen Beetle Convertible, Santa Monica, 2012

Santa Monica to require net-zero homes from 2017, first in the world to do so

Among U.S. states, California continues to lead the way in policies that aim to cut carbon emissions. The Golden State has ambitious emission-reduction targets, and has... read more November 1, 2016 by


 
Mercedes-Benz belt-driven starter generator (RSG)

New Mercedes engines get more complicated to meet emission rules

While it plans to launch 10 new electric cars by 2025, Mercedes-Benz is far from done trying to improve the efficiency of internal-combustion engines. The German luxury... read more November 1, 2016 by


 
China

China decides maybe hybrids could help its emissions too

When it comes to electric cars, China has some of the most generous incentives of any country. But in its attempt to promote greener vehicles, China has largely ignored... read more October 31, 2016 by


 
2012 Volkswagen Up minicar (German model), road test, Catskill Mountains, NY, May 2012

Tougher testing for emissions may mean bigger engines, but why?

Stricter global emissions standards have led many automakers to downsize engines, but that trend may be about to reverse itself. Cutting displacement is a relatively... read more October 31, 2016 by


 
Chrome exhaust pipe

Electric cars could save $13 billion in health costs by 2030 in 10 states: study

It's entirely obvious that internal-combustion cars pose a threat not only to the environment, but also to human health. Exhaust from gasoline and diesel cars contributes to... read more October 27, 2016 by


 
Concorde (photo by Eduard Marmet, via Wikimedia Commons)

So how about all-electric supersonic aircraft, then?

Supersonic airliners haven't flown since 2003, when the last Concorde was retired. But could supersonic planes carrying large number of passengers make a comeback—and... read more October 23, 2016 by


 
wind farm

Smallest state poses big question: natural gas or renewable energy?

The smallest U.S. state now faces a big question on energy policy. Rhode Island is in the midst of deciding whether to continue getting a large portion of energy from fossil... read more October 18, 2016 by


 
2016 Nissan Leaf

Carmakers must cut carbon rapidly to evolve, shareholders say

Stricter global emissions standards are putting significant pressure on carmakers to improve fuel efficiency and make greater use of electric powertrains. But that may not be... read more October 18, 2016 by


 
Hyundai ix35 (Tucson) Fuel Cell Paris taxi

India, EU ratify Paris climate agreement: takes effect next month

Last December, representatives form 195 countries met in Paris to negotiate an agreement to address climate change on a global scale. Almost a year later, enough countries... read more October 17, 2016 by


 
Wind farm, by Flickr user Patrick Finnegan (Used under CC License)

Carbon emissions from U.S. power generation fall to 25-year low

While automakers work to meet stricter carbon-emissions standards, another sector of the U.S. economy has already made notable progress in reducing ts emissions... read more October 14, 2016 by


 
2016 BMW M2 production in Leipzig, Germany

German upper house asks EU to ban new gas, diesel car sales by 2030

Last week, the German Federal Council adopted a bipartisan measure that would ban the sale of new vehicles with internal-combustion engines in the country after 2030. While... read more October 11, 2016 by


 
Airbus A320

UN deal reached to limit, offset global aviation emissions

After much discussion, the United Nations' aviation agency plans to set limits on emissions from international airline flights. The agreement ratified by members of the UN... read more October 10, 2016 by


 
Costa Fortuna cruise ship

LNG-powered cruise ships to enter service in 2019

Cars and trucks aren't the only source of transportation-related carbon emissions. The massive ships that ply the world's oceans are major sources of pollution as well, but... read more October 9, 2016 by


 
Hoover Dam by Flickr user Airwolfhound (Used under CC License)

Hydro-power reservoirs emit methane, a greenhouse gas: no free lunch?

The energy sources used to generate grid electricity can be a major source of greenhouse-gas emissions, and thus they affect the environmental impact of electric cars. The... read more October 7, 2016 by


 
Chris Grundler, director of EPA Office of Transportation and Air Quality [photo: EPA via Flickr]

EPA's emissions sleuth: the most powerful man you've never heard of

Current Corporate Average Fuel Economy standards require U.S. automakers to achieve a fleet average of 54.5 mpg (equivalent to roughly 40 mpg on the window sticker) by 2025... read more October 5, 2016 by


 

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