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New mixed-oxide catalysts shown as viable substitute for platinum catalysts for diesel exhaust aftertreatment

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Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. Nanostellar was founded in California in 2004 by scientists from Stanford University and NASA Ames Research Center.

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Michigan State University Receives $2.5M ARPA-E Award to Build Wave Disc Engine/Generator for Series Hybrid Applications

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In axial-flow configurations, noted Müller and co-authors in a 2004 paper, pure scavenging is a challenging task. The fuel supplies (green) are located at the inner inlet port. Since heat release increases pressure inside the channel, opening the outer channel end generates an outflow of the exhaust gases. Source: Piechna, 2004.

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Norway-US Project Developing Diesel/Biodiesel, Cool Flame Reformer and Solid-Acid Fuel Cell APU

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The power supply unit can run on biodiesel as well as regular diesel. Due to the unit’s high efficiency, CO 2 emissions are substantially lower than in conventional combustion engines, and no other demonstrable exhaust is discharged—i.e., 2004) High-Performance Solid Acid Fuel Cells Through Humidity Stabilization.

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Toshiba To Begin Mass-Producing Portable Direct Methanol Fuel Cells in 2009

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The current returns to the fuel cell cathode (air side); Protons (H+) and electrons (e-) react with the air at the cathode to form humid air, which is exhausted from the system. This new device adopted a “passive” fuel supply system which fed methanol directly into the cell.

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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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In 1975, General Ernesto Geisel, then-president of Brazil, ordered the country’s gasoline supply mixed with 10% ethanol. The level was raised to 25% over the next five years, which was intended to maintain a constant Brazilian gasoline supply for an ever-increasing demand. As used in this section and Sec.

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Porsche 919 Hybrid LMP1 Le Mans prototype makes its debut at Geneva Show

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The batteries at the center of the vehicle supply the electric motor at the front axle with energy. The first system is the innovative recovery of thermal energy by an electric generator powered by exhaust gases. The hybrid powertrain of the Porsche 919 Hybrid. Click to enlarge. The drive system is based on a 2.0-liter The 470 hp, 4.0-liter

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Manchester team proposing graphene-based ballistic rectifier for waste heat recovery

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Rectifying diodes let electrical current flow in only one direction; mainly used for power supply operation, they convert AC to DC current. Graphene was the world’s first two-dimensional material, isolated in 2004 at The University of Manchester; since then a whole family of other 2D materials have been discovered. —Song et al.

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