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Bi-fuel evolutions of the LEVC TX taxi and VN5 van; range extender engines run on LPG/biopropane and CNG/biomethane

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HP Taxis, Prins Alternative Fuel Systems and SBL-Automotive revealed [link] of the plug-in hybrid range-extended electric LEVC TX taxi and VN5 van allowing the range extender engine to run on LPG and CNG and their renewable counterparts of biopropane and biomethane. 50 liter LPG / biopropane tank in the trunk of the TX.

Taxi 284
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ORNL study finds best current use of natural gas for cars is efficient production of electricity for EVs

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However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. If CNG were to be eventually used in hybrids, the advantage of the electric generation/EV option shrinks. Their open access paper is published in the journal Energy.

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Argonne releases GREET 2020

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Vehicle technologies include conventional internal combustion engines, hybrid-electric systems, battery-electric vehicles, and fuel-cell-electric vehicles. Fuel/energy options include petroleum fuels, natural gas-based fuels, biofuels, hydrogen, and electricity. CO 2 -derived ethanol. Green ammonia.

2020 324
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Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

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Starting from a energy-based powertrain simulation model validated on experimental data from the PHEV, the researchers conducted a first- and second-law analysis to identify the potential for engine waste heat recovery, considering a variety of driving cycles and assuming the vehicle operating in charge-sustaining (HEV) mode.

Waste 312
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CoolPlanet BioFuels claims conversion yield of 4K gallons gasoline per acre biomass

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CoolPlanet BioFuels, a start-up developing technology to convert low-grade biomass into high-grade fuels including gasoline, and carbon that can be sequestered ( earlier post ), claims it has achieved a conversion yield of 4,000 gallons gasoline/acre biomass in pilot testing using giant miscanthus, an advanced bioenergy crop.

Gasoline 304
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BMW provides an update on waste heat recovery projects; Turbosteamer and the Thermoelectric Generator

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The company says that some of the most promising projects are the Turbosteamer ( earlier post ); the Thermoelectric generator (TEG) ( earlier post ); engine encapsulation; and a waste heat exchanger for oil heating. Research project Turbosteamer: comparison of the heat exchanger generation 1 (top) and generation 2 (bottom). Click to enlarge.

Waste 376
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HeatReCar project demonstrates technical feasibility of thermoelectric generator for waste heat recovery; economic case more difficult

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A recently completed European project coordinated by Centro Ricerche Fiat (CRF) demonstrated the technical feasibility of a Bi 2 Te 3 -based thermoelectric generator (TEG) for waste heat recovery for application to a diesel light-duty truck (LDT). Spark plasma sintering uses an electric current to heat the sample and to activate sintering.

Waste 236