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Heat Pumps—The Well-Tempered Future of A/Cs

Cars That Think

During heat waves in Phoenix, Arizona, while some people fry eggs on sidewalks , Matt Heath, a heating, ventilation and air conditioning (HVAC) service manager at AC by J , is on the front line, helping maintain air conditioners in people’s homes. Whereas, replacing residential furnaces stands to make a bigger impact. This year, the U.S.

Future 137
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CMU team details impact of regional and drive-cycle variations on degradation of a PHEV battery pack

Green Car Congress

a) Capacity Fade in Phoenix, comparison of air cooling vs no cooling for two drive cycles. (b) b) Capacity Fade in Phoenix and San Francisco, using GPS data. The comparison of air-cooling vs. no cooling is provided for two cities (c) Improvement in battery life by air-cooling for different cases simulated.

PHEV 150
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Ruff News for Waymo After Test Vehicle Runs Over Dog

The Truth About Cars

While the accident is nothing in comparison to the fatal crash from 2018, where an Uber AV killed a cyclist , it still spells bad publicity for companies hoping to field self-driving vehicles with the public’s blessing. From The San Francisco Standard : The car was in "autonomous mode," but a Waymo test driver was in the driver's seat.

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NREL study finds 2nd-generation diesel hybrid delivery vans show significant gains in fuel economy over conventional vans

Green Car Congress

The two study groups were on different duty cycles and required a route switch to provide a valid comparison, which UPS accommodated. During dynamometer testing, three standard drive cycles were chosen to represent the range of delivery routes. Earlier post.) Resources. Lammert and K. Walkowicz (2012) Eighteen-Month Final Evaluation.

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Lectric XPress e-bike launched as $999 torque sensor commuter electric bike

Baua Electric

In what should no longer come as a surprise to anyone, Phoenix-based Lectric Ebikes has done it again. I would have liked to see racks and fenders included as standard equipment, but the RadMission didn’t include them either back in the day, and it even left the kickstand as an add-on.

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Simulating EVE-Ai™ Velocity Recommendations Module: Tesla Model S P70D in Urban/Highway Drive Cycle

Electra Vehicles

The original driving data was collected from a mixed urban/highway drive in Phoenix, AZ, USA with a total driving distance of 92.69 This converts to 28% range extension using EVE-Ai: Velocity Recommendations on this simulated trip comparison alone. The same Tesla model averages 310 Wh/mile on a standard EPA urban/highway drive cycle.

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NREL Study Finds UPS First-Generation Hybrid Vans Deliver Almost 29% Greater Fuel Economy

Green Car Congress

UPS van fuel economy comparison. In addition, a P100H hybrid and a P100D standard diesel were tested at NREL’s Renewable Fuels and Lubricants (ReFUEL) Research Laboratory. Source: Lammert 2009. Click to enlarge. UPS’ first-generation diesel hybrid delivery vans improved the on-road fuel economy by 28.9% Click to enlarge.