emissions

 
Mayors of 4 capital cities to ban all diesel vehicles by 2025

Mayors of 4 capital cities to ban all diesel vehicles by 2025

Even before the Volkswagen diesel scandal, diesel passenger cars were never popular in the U.S. But in other parts of the world—especially Europe—diesels have been the de facto choice of many buyers for decades. Increasing concern over air pollution and the VW scandal are beginning to... read more

December 2, 2016 by -
 
Tesla and SolarCity Ta'u renewable energy project screenshot

Tesla, SolarCity, and Ta'u: sun, storage batteries, clean energy (video)

The combination of Tesla and SolarCity is already promoting its potential synergies, albeit in a location far away from the mainland United States. The island of Ta'u in... read more November 24, 2016 by


 
BYD and Wayne Engineering electric garbage truck

BYD partners with U.S. firm to launch all-electric garbage truck

Here's an electric vehicle that really, truly stinks. While automakers are moving in the direction of more electric cars, several companies are also making efforts to... read more November 22, 2016 by


 
2010 Dodge Ram 2500

FCA sued over emissions of 2007-2012 Dodge Ram diesel pickups with Cummins engines

Fiat Chrysler Automobiles (FCA) and engine supplier Cummins are the latest companies to be accused of hiding excess diesel-exhaust emissions. A class-action lawsuit filed... read more November 17, 2016 by


 
2016 Nissan Leaf

Battery-electric cars more cost-efficient at cutting emissions than fuel cells: Stanford study

There's been considerable debate among advocates of battery-electric and hydrogen fuel-cell cars over which technology is better for the environment. While neither vehicle... read more November 16, 2016 by


 
2017 Nissan Sentra Nismo

Start-stop systems to soar in number over next decade

Plug-in electric cars are slowly becoming more common, but internal-combustion engines will remain a significant presence on the world's roads for decades to come yet. That... read more November 16, 2016 by


 
Photovoltaic solar power field at Volkswagen plant in Chattanooga, Tennessee

Renewable energy to hit 9 percent of U.S. total in 2017

U.S. renewable-energy generating capacity is not only growing, but it is beginning to erode coal's share of the electricity-generating mix, according to new data from the... read more November 10, 2016 by


 
Beijing smog

How China's horrific air quality magically turns cleaner: cotton

China is known for having some of the most polluted air in the world. But officials in one Chinese city found a way to at least make that air appear cleaner, for awhile. Like... read more November 9, 2016 by


 
2017 Honda CR-V

Are you driving a car, a crossover, an SUV, or a truck? Do you care?

Are you driving a car or a truck? The answer may be harder to determine than you think. U.S. safety and emissions regulations generally split cars and trucks into two... read more November 9, 2016 by


 
Coal, by Flicker user oatsy40 (Used Under CC License)

Coal in China: huge problem for clean power, climate efforts

Over the past few years, China has made impressive strides in renewable-energy investment. The promotion of renewable energy will only become more important as China works to... read more November 8, 2016 by


 
2016 Renault Clio RS

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... read more November 8, 2016 by


 
Portable Emissions Measurement Systems (PEMS) on a Peugeot 308

Emission debate in Europe: should new EU agency test, or each nation?

The Volkswagen diesel scandal has brought increased scrutiny on how new cars are tested for emissions and fuel economy. VW's use of "defeat device" software to cheat on... read more November 7, 2016 by


 
2017 BMW i3

Germany 'reassured' after worries on Chinese electric-car mandates

Electric-car mandates can be a powerful tool for reducing transportation-related emissions. California first proposed its current zero-emission vehicle mandate in December... read more November 7, 2016 by


 
Fuel gauge

EPA reports show automakers meeting fuel-economy, carbon emission rules

Low gas prices and high sales of crossovers and SUVs have led critics of current U.S. emissions standards to question whether automakers can continue meeting those standards... read more November 3, 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


 

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