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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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Hyundai introduces 2015 Sonata Eco with 1.6L Gamma turbo; 32 mpg combined

Green Car Congress

liter turbocharged Gamma four-cylinder engine ( earlier post )—already available in the Veloster—producing an estimated 177 horsepower (132 kW) and 195 lb-ft (264 N·m) of torque. liter Theta II engine. As a comparison, the baseline 2015 Sonata with 2.4-liter liter engine is EPA-rated at 29 mpg (8.1

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Astra ‘Rocket 3’ nosecone dooms first Florida launch attempt

Teslarati

We are deeply sorry to our customers NASA, University of Alabama, the University of Mexico and the University of California Berkeley,” said Astra Space Director of Product Management Carolina Grossman. In comparison, for a dedicated Electron launch, Rocket Lab charges about $7.5M ” As of November 2021, Astra charges around $2.5-3.5M

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ORNL Research Project Seeks to Boost Combustion Engine Efficiency To 50-60% By Reducing Combustion Irreversibility; RAPTR

Green Car Congress

Researchers at Oak Ridge National Laboratory (ORNL) are investigating mechanisms for extending the efficiency of combustion engines closer to their theoretical potential. Today’s engines can deliver a fuel efficiency of 40-42%, with corresponding loss of initially available fuel energy of 58-60%. Stuart Daw. Click to enlarge.

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Feature: Are Eco-Friendly Cars Expensive to Own?

Clean Fleet Report

EV drivers in parts of the country where charging is more expensive (like Alabama, Illinois, and Nevada) can save as much as $7,500 in lifetime fuel costs or as little as $2,300. David Reichmuth , a senior engineer for the Union of Concerned Scientists, said that the findings of the study “saw potential savings everywhere.”

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Mercedes-Benz Introduces Two-Mode Hybrid ML450 SUV at New York Auto Show

Green Car Congress

As a point of comparison, the 2009 Cadillac Escalade 2WD two-mode hybrid carries an EPA rating of 20 mpg city, 21 mpg highway (11.8 Having to power and find space for this engine would only be possible at the expense of efficiency, according to Daimler. Consumption-optimized Atkinson V6 engine. L/100km city, 11.2 The modified 3.5-liter

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