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Shell develops new concept synthetic lubricant for engines; up to 6.5% fuel economy benefit on urban cycle

Green Car Congress

A collaboration between research teams at Shell and Gordon Murray Design (GMD) recently led to the development of an innovative concept engine lubricant capable of achieving a 6.5% 25 city car as the test bed, Shell engineers formulated an ultra low viscosity 0W-10 motor oil. benefit on a combined cycle.

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Achates Power continues development of opposed-piston technology for US Army vehicles

Green Car Congress

The family of engines strategy uses a common power cylinder system across several different engine variants to address a range of power and torque requirements in order to serve multiple military vehicles with a common architecture. The variable flow lube pump helps maintain engine efficiency.

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Bladon Jets, SR Drives and Jaguar Land Rover Win Funding for Gas Turbine Electric Vehicle Project

Green Car Congress

Oil-less carbon-air bearing system. Bladon suggests that in an hybrid vehicle application, with no water-cooling system, oil or catalytic converter, the Micro-Jet engine can provide vehicle weight savings of up to 15%—with a consequent reduction in fuel consumption and carbon emissions—compared to a piston engine.

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Concept: Honda RD Developing Variable Compression Ratio Engine with Dual Piston Mechanism

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[Separately, Honda engineers are making a number of HCCI presentations at the SAE 2009 World Congress, including the development of mechanisms to expand the HCCI operational range.]. Mpa (8 bar) and the oil flow rate is 3L/min. For the study, Honda installed a small pump separate from that of engine lubricating oil pump.

Honda 150
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ETI announces £2.5M lower drivetrain HDV efficiency project

Green Car Congress

The ETI is a public-private partnership between global energy and engineering companies—BP, Caterpillar, EDF, E.ON, Rolls-Royce and Shell—and the UK Government. This project will look to improve the overall system design, with a synergistic focus on gears, bearings, surface treatments, lubricant flow and lubricant composition.

Mariner 231
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LiquidPiston introduces latest X-series version of HEHC rotary engine; targeting 58% peak BTE, 2 hp/lb power density

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LPI has placed the “M” engine line on hold, for now, to focus on developing the X architecture. The X1 engine—brought from a concept on paper to an engine on the dyno in less than one year—is firing reliably and consistently in the lab on synthetic diesel fuel with compression ignition, and producing positive power, Shkolnik said.

Engine 312
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Australian Cam-Drive Gasoline Engine Reaches 39.5% Efficiency in Independent Testing; Potential for Production Engine in China

Green Car Congress

The piston assembly slides rigidly through the block via an oil pressure fed guiding system eliminating piston to cylinder-bore contact, reducing wear and lubrication requirements in the cylinder, and also reducing piston side shock—making ceramic technology suitable. Tags: Concept Engines Engines.

Engine 240