Harleys with no emission controls: a much bigger problem than you know?

Harleys with no emission controls: a much bigger problem than you know?

Like cars, new motorcycles leave the factory with emissions-control equipment that radically reduce the volume of various pollutants released through their exhaust. Those emission-control systems are only effective if they remain unmolested. However, a subset of both car and motorcycle owners... read more

September 6, 2016 by -
Gas pump

Will CAFE standards have to be relaxed starting in 2021?

Last month, regulators released a "Technical Assessment Report" on how well automakers have done thus far in meeting Corporate Average Fuel Economy (CAFE) standards. The... read more August 24, 2016 by

2016 Holden Commodore SV6 Black Edition

Australia's AAA will test emissions of top 30 cars; government won't, it says (VW diesel update)

The Volkswagen diesel scandal has placed greater scrutiny on laboratory emissions testing of new cars pretty much around the world. Over the year since the news of VW's use... read more August 23, 2016 by

Gas pump

Automaker lobbyist group predicts doom, gloom over CAFE

The U.S. Environmental Protection Agency (EPA) and auto-industry lobbyists are now sparring over the future of Corporate Average Fuel Economy (CAFE) standards for 2022-2025... read more August 22, 2016 by

2016 BMW i3

1 in 6 cars sold in 2020 must be electric to meet fuel-economy rules: study

Several nations have enacted strict fuel economy standards but, for the most part, they have not required automakers to sell electric cars. In the U.S., only the state of... read more August 22, 2016 by

Harmony of the Seas cruise ship

Cruise ships start to come under scrutiny as massive pollution machines

While increased pressure on carmakers to improve emissions continues, regulators and environmental groups are also scrutinizing other forms of transportation-related... read more August 19, 2016 by

2016 Chevrolet Camaro’s exhaust tips

Transport is now biggest part of U.S. carbon emissions, first time in 40 years

Transportation is a major contributor to carbon emissions, but historically it has not been the largest source. However, that has apparently changed. Transportation-related... read more August 18, 2016 by

Harley-Davidson Street 750 by Alvin Dharmawan

Why motorcycles may not be greener than cars: missing emission gear

When looking for green transportation, does it make sense to opt for two wheels instead of four? Motorcycles weigh significantly less than cars, and generally have smaller... read more August 18, 2016 by

Zion National Park shuttle bus by Flickr user faungg's photos (Used under CC License)

Will electric buses replace propane ones in national parks (which replaced diesels)?

Electric buses could soon enter service shuttling visitors around a U.S. national park. The National Renewable Energy Laboratory (NREL) is evaluating the possibility of... read more August 18, 2016 by

Sydney Opera House by Flicker user thinboyfatter (Used under CC License)

What would it take to get Australia to 100-percent renewable energy?

What would it take to convert an entire country to 100-percent renewable energy? How about a country that occupies an entire continent? Australian climate think tank Beyond... read more August 17, 2016 by

Portable Emissions Measurement Systems (PEMS) on a Peugeot 308

EU proposes deep cuts to vehicle emissions, ignores ships, airplanes

European automakers have attacked proposed emissions standards that would place greater restrictions on cars, as well as large commercial vehicles like heavy-duty trucks and... read more August 16, 2016 by

Oil field (Image: Flickr user johnny choura, used under CC license)

U.S. states agreed to keep Exxon climate-deception probe secret: here's why

As far back as the 1970s, Exxon conducted research that confirmed the occurrence of climate change—and that burning fossil fuels is a major contributor to it. But the... read more August 14, 2016 by

2012 Volkswagen Passat TDI Six-Month Road Test

FTC warns VW dealers not to mislead owners about buybacks

Volkswagen diesel owners are still waiting for final approval of the proposed settlement that will allow VW to buy back their cars. But on Tuesday, the Federal Trade... read more August 12, 2016 by

2018 Volkswagen Tiguan (Euro-spec)  -  Preview Drive, January 2016

VW will roll out particulate filters for gasoline engines next year

Volkswagen has yet to get modifications to reduce the emissions of TDI diesel cars with illegal "defeat device" software approved by U.S. regulators. But while it continues... read more August 10, 2016 by

2016 Nissan Leaf

How much do electric cars really pollute, even without tailpipes?

Personal automobiles have given hundreds of millions of people the great luxury of a convenient and comfortable mode of transportation. But there's no escaping that... read more August 3, 2016 by

2017 BMW X3

2017 BMW diesel lineup gets EPA approval for sale

The Volkswagen diesel emissions scandal has caused regulators to take a closer look at all new diesel models submitted for certification. Backups caused by more extensive... read more August 3, 2016 by


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