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Energy Harvesting for Wearable Technology Steps Up

Cars That Think

volts for about 60 hours. A team of biologists built a custom Kinefox GPS tracker that wildlife—including this European bison test subject—can recharge simply by moving around as usual. In work published in PLoS One in May, they detailed the Kinefox, a GPS tracker that wildlife can recharge simply by moving.

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Quick drive of the Passat HyMotion hydrogen fuel cell hybrid

Green Car Congress

The power electronics also integrate a DC/DC converter, which converts energy from the high-voltage battery to 12 volts to supply the 12-volt electrical system. The 12-volt battery is also mounted at the rear. Bottom: On recharge, energy will flow from the fuel cell through the tri-port converter to the battery.

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XL1 dive and drive: Volkswagen aggressively optimizes for efficiency in its sleek diesel plug-in hybrid

Green Car Congress

The XL1 is aggressively optimized for efficiency in all areas of its design and technology—from materials (carbon fiber reinforced polymer monocoque); to powertrain (0.8L kWh lithium-ion battery—integrated in the front section of the XL1—supplies the electric motor with 220 volts of electrical energy.

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BMW Group presents prototype of i8 plug-in hybrid; first use of new 3-cylinder engine

Green Car Congress

With its carbon-fiber-reinforced plastic (CFRP) passenger cell, the BMW i8 sets new standards for a plug-in hybrid vehicle in terms of low weight. It has a liquid cooling system and can be recharged at a conventional household power socket, at a BMW i Wallbox or at a public charging station.

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Audi unveils h-tron quattro fuel cell SUV concept at Detroit; MLB evo platform

Green Car Congress

Depending on the load point, the stack operates in the range of 220 to 280 volts. The storage battery operates over the range of 220 to 460 volts—a 3-way DC/DC converter in the engine compartment equalizes the difference compared with the fuel cell’s voltage level. 3-way power DC/DC converter. mi)—i.e., about 6 kg.

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BMW unveils production i8 plug-in hybrid; 94 mpg; on sale in US in 2014 priced from $135,925

Green Car Congress

The combustion engine and electric motor, battery pack, power electronics, chassis components, and structural and crash functions are all arranged within the aluminum Drive module, while the central element of the Life module is the i8’s CFRP (carbon fiber reinforced plastic) passenger cell. Click to enlarge.

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Mercedes-Benz fuel cell SUV PHEV in production; first units of GLC F-CELL to be delivered by end of October

Green Car Congress

There will be electric alternatives in every segment from smart to SUV, with well in excess of 130 variants in total, ranging from 48-volt on-board electrical system with EQ Boost to plug-in-hybrids to all-electric vehicles with batteries or fuel cells. By 2022, Mercedes-Benz’ entire product range will be electrified. kWh battery (gross, 9.3

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