Why liquid hydrogen may make sense for airplanes, replacing jet fuel

KLM biofuel-powered airliner (KLM)If you want to find a major source of transportation-related emissions, just look up. Aviation currently accounts for around 2 percent of global carbon emissions, and many analysts believe its share could triple by the middle of the century if projected growth in air travel occurs. But finding alternatives to fossil fuels has proven much more...

Which type of car will go all-electric the fastest? Poll results

Chevrolet Spark EV at CCS fast charging station in San Diego.One reason cited for the slow, if growing, penetration of plug-in electric cars in the U.S. is that they're not available in all segments and body styles. With the exception of the pricey Tesla Model X and the discontinued Toyota RAV4 EV, for example, there are no battery-electric SUVs or crossovers with all-wheel drive on the market. To date...

Honda WR-V: how to make a crossover from a small hatchback

Honda WR-V (Indian-market version)Crossovers are so popular right now that several automakers are even trying to pass off conventional hatchbacks as high-riding utility vehicles. The latest example of this trend is the Honda WR-V, a new pseudo-crossover for the Indian market. Despite the extra plastic body cladding and slightly-different front and rear fascias, the WR-V looks very...

Will GM or Tesla buyers lose electric-car tax credits first?

Tesla Model 3A major contributor to electric-car sales is the program under which buyers of new electric cars qualify for a federal income-tax credit of up to $7,500. But these tax credits are not unlimited. Once a manufacturer reaches sales of 200,000 plug-in electric cars (after December 31, 2009), the credits start to phase out for that company's cars...

London to charge pre-2006 diesel cars $27 to enter on weekdays

Mark Webber driving a 2016 Porsche 919 Hybrid in LondonFor more than 13 years, London has collected a stiff charge from motor vehicles entering the congested core of the city during weekday business hours. Known as the congestion charge, the fee of £11.50 a day, or $14.50 (£10 with automatic payment, or $12.50) is levied from 6 am to 7 pm Monday through Friday except holidays. First...

Tesla to sell 200 electric cars to Dubai taxi service

2017 Tesla Model SIf you wanted to start a green taxi service—and had ample funds to do so—Tesla electric cars would seem to be a good choice. The Model S and Model X offer plenty of interior space and range, and their popularity would like raise the profile of any taxi service using them. So perhaps it's not surprising that the Dubai Taxi Corporation...