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Research into more efficient diesel engines occurred after the 1970s energy crisis, resulting in a new market for fuel-efficient vehicles.A newly developed gas turbine engine design promised high thermal efficiency, but needed a material that could withstand 2,500 °F (1,370 °C) temperatures.
Efficiency decreases for small internal combustion engines. A 67 ml 4-stroke engine converted to hydrogen and tested with a dynamometer at the best operating point (3000 rpm, 14 NLM (normal liters per minute), 2.5 times stoichiometric air/fuel ratio) achieved 520 W and 21% efficiency. In order to measure the vehicular efficiency an also ...
The Nissan Sentra proves that affordable and efficient cars don't have to look dorky. It's powered by a 149-hp 2.0-liter inline-four and continuously variable automatic transmission (CVT).
The Toyota Dynamic Force engine is a family of internal combustion engines developed by Toyota under its Toyota New Global Architecture (TNGA) strategy. These I3 , I4 and V6 engines can be operated with petrol (gasoline) or ethanol ( flex-fuel ) and can be combined with electric motors in a hybrid drivetrain.
The new models will be launched for Geely Auto's Galaxy series and its Lynk & Co brand. ... more fuel-efficient engine. Geely's engine achieves a thermal efficiency of up to 46.1%, according to a ...
The most efficient reciprocating steam engine design (per stage) was the uniflow engine, but by the time it appeared steam was being displaced by diesel engines, which were even more efficient and had the advantages of requiring less labor (for coal handling and oiling), being a more dense fuel, and displaced less cargo.
Engine efficiency under 200 specific fuel consumption (cc/bhp/hr) The vehicles are highly specialized and optimized for the event and are not intended for everyday use. The designs represent what can be achieved with current technology and offer a glimpse into the future of car design based on minimal environmental impact in a world with ...
Arvin Meritor, a Tier 1 supplier of automotive technology, at one time, was experimenting with a plasma reformer technology which would use hydrogen produced from the fuel to enhance engine combustion efficiency and reduce emissions of NO x. [26] This reference states that a 20% to 30% increase in engine thermal efficiency is possible. However ...