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ORNL study finds best current use of natural gas for cars is efficient production of electricity for EVs

Green Car Congress

However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. If CNG were to be eventually used in hybrids, the advantage of the electric generation/EV option shrinks. Their open access paper is published in the journal Energy.

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Study finds all-electric rideshare fleet could reduce carbon emissions, but increase traffic issues

Green Car Congress

Major ridesourcing companies Uber and Lyft have promised all-electric fleets by 2030 in an effort to reduce their carbon footprint. Lead author Aniruddh Mohan and colleagues wanted to develop a method that evaluated the life-cycle costs and benefits for two battery-powered ridesource fleets and a gasoline-powered one.

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Green Deals: BLACK+DECKER battery-powered lawn equipment at up to $90 off, more

Electrek

Today only, as its Deal of the Day , Lowe’s is offering BLACK+DECKER battery-powered electric lawn tools at up to $90 off. Our favorite is the 40V 20-inch Electric Mower for $259 shipped. For comparison, it goes for $350 at Home Depot and $330 at Amazon right now.

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Fraunhofer suggests e-scooters as application for its magnesium hydride paste hydrogen storage technology

Green Car Congress

The award-winning POWERPASTE technology is patented (EU, US) and offers advantages over other energy storage technologies, in particular in the power range from 100 W to 10 kW, Fraunhofer researchers said. POWERPASTE (left); POWERPASTE cartridge (middle); portable 100 W power supply unit (right).

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Baker Institute report: China has positioned itself as a gatekeeper to the energy transition; nickel case study

Green Car Congress

The global push to convert the world to electric vehicles will cause supply chain complexities that could undermine the alternative energy transition in the United States, according to a new report from Rice University’s Baker Institute for Public Policy. The detailed report— Need Nickel?

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MAHLE developing portfolio of solutions for fuel cell drives in commercial vehicles

Green Car Congress

Promising avenues include weight savings and extension of the cruising range in comparison with battery-powered solutions; fuel cell concepts may represent an attractive option for long-distance hauling, which requires heavy loads and large cruising ranges. New opportunities are opening up for heavy-duty commercial vehicles.

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The Case for Nuclear Cargo Ships

Cars That Think

Nearly all of the world’s ship fleet still runs on diesel fuel, with about a quarter of new ships on order being built to run on somewhat lower-carbon alternatives like liquefied natural gas, methanol, or hybrid propulsion. Shipping uses over 300 million tonnes of fossil fuels every year, producing 3 percent of greenhouse gas emissions.