EPA proposes to add more ethanol blends to ‘Flex Fuel’ category

FlexFuel badge on E85-capable 2009 Chevrolet HHRBack in 2007, the Energy Independent and Security Act included a Renewable Fuel Standard intended to boost adoption of lower-emission alternative fuels. It mandated increasingly-large amounts of ethanol to be blended with the U.S. fuel supply. Just under a decade later, the legislation has attracted criticism from both opponents of ethanol and the...

UN deal reached to limit, offset global aviation emissions

Airbus A320After 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 International Civil Aviation Organization (ICAO) sets airlines' carbon emissions in the year 2020 as the ceiling of the total amount that will be legally allowed. Airlines that...

2018 Smart ForTwo Electric Drive preview

2017 Smart ForTwo Electric DriveThe redesigned 2018 Smart ForTwo Electric Drive debuted just before the recent the 2016 Paris Motor Show. It switches over to the current-generation ForTwo platform, introduced as a gasoline-powered coupe version for the 2016 model year. As with the outgoing-generation model, the 2018 ForTwo Electric Drive will be available as either a coupe or...

LNG-powered cruise ships to enter service in 2019

Costa Fortuna cruise shipCars 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 generally receive less attention from regulators. But one cruise line is now taking steps to reduce the environmental impact of its fleet. DON'T MISS: Cruise ships start to...

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

Hoover Dam by Flickr user Airwolfhound (Used under CC License)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 cleaner the electricity used to charge an electric car, the cleaner that car becomes in operation. And among potential energy sources, hydroelectric power from dams would seem...

2017 BMW i3 preview

2017 BMW i3The 2017 BMW i3 represents the first significant update of BMW's electric car since it went on sale in the U.S. back in May 2014. This mid-cycle refresh includes several updates, most notably a much larger battery pack and a corresponding increase in its EPA-rated range. Battery capacity rises 50 percent, from 22 to 33 kilowatt hours, and BMW says...

Tomorrow is National Hydrogen Day, and Honda Clarity is there

2017 Honda Clarity Fuel CellElectric-car advocates have National Drive Electric Week, an annual event dedicated to the promotion of cars with plugs that has actually gone international. Now, advocates of hydrogen fuel-cell cars have their own awareness event too. It's called National Hydrogen and Fuel Cell Day, and it's being held tomorrow—a Saturday—for a very...

Toyota Prius design, popular in Japan, not a hit in U.S.

2017 Toyota PriusWith the fourth-generation Prius hybrid, Toyota focused not only on improving efficiency, but on making its halo car more appealing to a wider range of consumers. Part of that strategy involved adopting a highly-stylized exterior that differed radically from that of previous models. But could the new styling of the fourth-generation Prius actually...

Toyota Prius design, popular in Japan, not a hit in U.S.

2017 Toyota PriusWith the fourth-generation Prius hybrid, Toyota focused not only on improving efficiency, but on making its halo car more appealing to a wider range of consumers. Part of that strategy involved adopting a highly-stylized exterior that differed radically from that of previous models. But could the new styling of the fourth-generation Prius actually...