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

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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.

Fleet 195
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Norwegian shipping industry pursuing battery-powered ships

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The Norwegian shipping industry is teaming up to develop battery-powered ships. In 2015, these will be followed by the world’s largest electric ferry, which will regularly cross Norway’s largest fjord. 15 years ago, the Norwegian cluster was looking into opportunities for gas-fueled ships.

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

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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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Cummins and Komatsu to collaborate on advancing development of zero emissions mining haul trucks

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Building on a legacy of diesel engine partnership across a wide variety of mining and construction equipment, Cummins and Komatsu will initially focus on zero emissions power technologies including hydrogen fuel cell solutions for large mining haul truck applications.

Emissions 397
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CP announces hydrogen-powered line-haul locomotive pilot project

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Canadian Pacific plans to develop North America’s first hydrogen-powered line-haul locomotive. CP’s Hydrogen Locomotive Program will retrofit a line-haul locomotive with hydrogen fuel cells and battery technology to drive the locomotive’s electric traction motors.

Hydrogen 505
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Komatsu announces customer alliance to advance zero-emission mining; power-agnostic haul truck

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Komatsu and its mining customers Rio Tinto, BHP, Codelco and Boliden have formed the Komatsu Greenhouse Gas (GHG) Alliance. Komatsu’s power-agnostic development truck undergoes testing at a Komatsu facility in the United States.

Las Vegas 435
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New Rolls-Royce small turbine to begin tests to advance hybrid-electric flight

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Rolls-Royce announced its new small gas turbine that has been specifically developed to power hybrid-electric flight is set to begin testing. This includes electrical vertical take-off and landing (eVTOL) Aircraft for Urban Air Mobility and Commuter Aircraft applications up to 19 seats.

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