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U Alabama study finds LTE C-V2N and DSRC connected vehicle latency approximately equivalent for infrastructure messages

Green Car Congress

A side-by-side comparison of connected vehicle technology at 85 traffic signals in the Tuscaloosa, AL area showed that latency in delivering safety messages from roadside units (RSUs) to vehicles via dedicated short range radios (DSRC) and LTE cellular (C-V2N) was “approximately equivalent,” according to a study by the University of Alabama.

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Successful first flight of the world?s largest all-electric aircraft: Cessna Grand Caravan 208B

Green Car Congress

The successful flight of the eCaravan, enabled by a 750-horsepower (560 kW) magni500 propulsion system, took place at the AeroTEC Flight Test Center at the Grant County International Airport (KMWH) in Moses Lake, Washington on Thursday. Replaceable motor mounting points. Advanced liquid cooling and thermal performance.

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Study found highly elevated PM2.5 in pre-COVID-19 subway air in NE US; NYC the worst

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concentrations and particle composition from area samples collected in the subways of Philadelphia, Pennsylvania; Boston, Massachusetts; New York City, New York/New Jersey (NYC/NJ); and Washington, District of Columbia. Washington had the next highest levels at 145 ?g/m The researchers found an elevation in the PM 2.5

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Eviation’s electric commuter plane Alice makes first test flight

Green Car Congress

The first fully electric commuter plane Alice from Eviation Aircraft ( earlier post ) successfully completed its maiden flight at Moses Lake, Washington. This allows a direct motor-to-propeller connection, eliminating the need for a heavy maintenance-prone gearbox. Alice lifted off on 27 Sep at 7:10 a.m.

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Audi of America, Virginia DOT and Qualcomm plan initial C-V2X deployment in Virginia

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The initial deployments are aimed at expanding safety use cases in the vital connected vehicle safety spectrum established by the FCC, with the aim to curtail road hazards and fatalities. In 2018, there were 36,560 US traffic fatalities, according to data from the National Highway Traffic Safety Administration (NHTSA).

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DOE awarding $35M to 11 projects for hydrokinetic turbine development; ARPA-E SHARKS

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Projects are encouraged to apply concurrent (as opposed to sequential) design methodologies: control co-design, co-design, and designing for operation and maintenance. They will incorporate experts in hydrodynamics, structural dynamics, control systems, power electronics, grid connections, and performance optimization.

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Default Passwords Jeopardize Water Infrastructure

Cars That Think

—Katherine DeEmidio Ledesma, Dragos A 2021 review of cyber vulnerabilities in water systems, published in the journal Water , highlights the converging factors of increasingly AI-enhanced and internet-connected tools running more and bigger drinking water and wastewater systems. He says the U.S.’s In contrast, the U.S.

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