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NACFE releases guidance report on hydrogen fuel cell heavy-duty trucks

Green Car Congress

Battery electric trucks should be the baseline for hydrogen fuel cells electric vehicle (HFCEV) comparisons, rather than any internal combustion engine alternative. —Amy Davis, President of New Power Business, Cummins. Stop comparisons of fill times. What is the value of a comparison on fill times?

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The Boring Company’s Prufrock-1 TBM surfaces at Resorts World for Vegas Loop station

Teslarati

TBC President Steve Davis presented the Vegas Loop project to the city council members. Davis told the council that the Vegas Loop would require zero tax dollars or public funds. . For comparison, the LVCC Loop has three stations located in the Convention Center complex. The Teslarati team would appreciate hearing from you.

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UC Davis ITS researchers take a detailed look at water consumption and withdrawal requirements for ethanol

Green Car Congress

Comparison with fossil fuels. In their paper, Mishra and Yeh analyze the lifecycle water requirement consumption and withdrawal requirements of ethanol produced from corn and from crop residue. —Mishra and Yeh.

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eVTOL company Joby and NASA collaborate to measure noise footprint of electric air taxi

Green Car Congress

Davis Hackenberg, NASA AAM mission integration manager. Using this data, NASA and Joby will generate noise hemispheres for the aircraft that capture the intensity and the character of the sound emitted in comparison to helicopters, drones, and other aircraft.

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Argonne analysis shows greenhouse gas emissions similar for shale, conventional oil

Green Car Congress

The research, conducted by Argonne researchers in collaboration with Stanford University and the University of California, Davis, analyzed the Eagle Ford shale formation in Texas and the Bakken play mainly in North Dakota.

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Study identifies functional roles of individuals within microbial consortium for breaking down switchgrass for biofuel production

Green Car Congress

By comparison, the more numerous Rhodothermus strain contributed fewer enzymes to biomass deconstruction. However, based on the assigned fractions of the switchgrass deconstruction proteome, the strains showing the most active role in switchgrass deconstruction were Gemmatimonadetes and Paenibacillus.

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Next-generation LNG carrier concept about 8% more energy efficient, with 5% more cargo

Green Car Congress

—Martin Davies, the Project Manager at DNV GL. Different CFD codes were applied for the comparison of resistance and self-propulsion performance but different scale effects were also considered. The total efficiency was assessed using an integrated systems approach.

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