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Ensuring Underwater Robots Survive in Hot Tropical Waters

Cars That Think

Tropical conditions can cause systems to overheat or prevent high-density lithium batteries from recharging,” says Melanie Olsen, who is a project director of the Australian Institute of Marine Science’s (AIMS) ReefWorks , a technology testing and evaluation facility in northern Australia.

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Northern India Rapidly Depleting its Groundwater Due to Excessive Irrigation; Major Water Crisis Looms If Trend Continues

Green Car Congress

If sustained, the trend will lead to a major water crisis in the region, the researchers conclude in a paper to be published in the AGU journal Geophysical Research Letters. (A) A) Rate of change of terrestrial water storage, in cm/yr of water thickness, determined from GRACE gravity solutions. White lines show major rivers. (

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BMW shows future drive technoliges; 2 Series PHEV prototype, direct water injection in 3-cyl. engine, and fuel cell eDrive

Green Car Congress

The company also showcased the use of direct water injection to enhance the efficiency of combustion engines at higher performance levels while also significantly reducing fuel consumption and emissions in key driving cycles. Direct water injection. Bosch and water injection. Earlier post. l/100 km/26.7-28.3 l/100 km/26.7-28.3

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New Flyer unveils Xcelsior CHARGE H2 bus; first to offer two fuel-cell-electric models eligible for federal funding

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The Xcelsior CHARGE H2 also features regenerative braking while decelerating, which recharges the batteries and reduces energy consumption for extending range. The only tailpipe output is clean water vapor. New Flyer has more than 50 years of experience manufacturing zero-emission buses (ZEBs).

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This lithium-free battery startup just raised $78M in Series C funding

Baua Electric

Photo: Alsym Energy Boston-based Alsym Energy, which is developing a nonflammable rechargeable battery that’s cobalt and lithium-free, has announced a $78 million funding round. Alsym Energy, which was founded in April 2015, has developed a non-flammable, high-performance rechargeable battery chemistry that’s lithium- and cobalt-free.

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MIT team discovers new family of materials with best performance yet for oxygen evolution reaction; implications for fuel cells and Li-air batteries

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MIT researchers have found a new family of highly active catalyst materials that provides the best performance yet in the oxygen evolution reaction (OER) in electrochemical water-splitting—a key requirement for energy storage and delivery systems such as advanced fuel cells and lithium-air batteries. Earlier post.) —Grimaud et al.

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California rapidly depleting Central Valley groundwater

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Groundwater is being depleted in California’s Central Valley at a rapid rate, according to a team of researchers analyzing data from the Gravity Recovery and Climate Experiment (GRACE) satellite in a paper published in the journal Geophysical Research Letters. They found that the basins are losing water at a rate of 31.0 ± 2.7