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Energy Harvesting for Wearable Technology Steps Up

Cars That Think

Wearable devices, like nearly every other piece of tech, need energy. The best-known wearable energy-harvesting tech today is, of course, solar, which pulls down electrons from sunlight or ambient light. For capacitors, voltage translates to electrons stored —the voltage drop across a capacitor is proportional to its total charge.)

Energy 137
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DOE reports progress on development of hydrogen storage technologies

Green Car Congress

10/kWh ($333/kg H 2 stored ). Related to this, DOE seeks by 2020 to develop novel precursors and conversion processes capable of reducing the high-volume cost of high-strength carbon fiber by 25% from $13 per pound to ~$9 per pound. 8/kWh ($266/kg H 2 stored ). 8/kWh ($266/kg H 2 stored ). kWh/kg system (5.5

Hydrogen 225
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Road Test: 2022 BMW i4 M50

Clean Fleet Report

BMW has been a pioneer in the EV business for more than a decade with quirky vehicles like the i3 city car and outrageously high-tech and performance-oriented i8 plug-in hybrid. The rear luggage compartment is spacious, with underfloor compartments to store the dual-mode L2 charger and small items. of cargo space is available.

BMW 96
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Toyota FCV Mirai launches in LA; initial TFCS specs; $57,500 or $499 lease; leaning on Prius analogy

Green Car Congress

Two tanks with a three-layer structure made of carbon fiber-reinforced plastic and other materials are used to store hydrogen at 70 MPa (approximately 700 bars or 10,000 psi). Middle layer: carbon fiber reinforced plastic (structural element). High-pressure Hydrogen Tanks.

Prius 296
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Alternatives to permanent magnet motors in EV traction applications

Charged EVs

As the name implies, the axial-flux PMSM orients its field magnets parallel to the output shaft on a disc that is sandwiched between the stator phase windings (and the “back iron” to complete the magnetic path, if necessary). materials like woven carbon fiber composite.

Motor 109
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Studying Climate Change with an Ice Radar Drone

Cars That Think

It’s –27 °C, dipping below –40 °C with wind chill—well below the operating temperature of most of the commercial equipment we brought for this expedition. These great masses store enough water to raise global sea level by 65 meters should they melt entirely. Our phones, laptops, and cameras are rapidly failing.