article thumbnail

Volvo Cars reveals triple-boosted 4-cylinder, 450 hp Drive-E powertrain concept

Green Car Congress

Drive-E Powertrain Concept. Volvo has developed a concept 2-liter, 4-cylinder, triple-boost Drive-E concept engine that delivers 450 hp (336 kW). The 450 hp High Performance Drive-E Powertrain Concept is based on a set of technologies not usually found in a four-cylinder engine. Click to enlarge.

Volvo 348
article thumbnail

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

Green Car Congress

Combining the high compression ratio with the Atkinson cycle, the engineering team demonstrated a 7.4% As part of the study, the team also demonstrated switching durability of the dual piston mechanism of more than one million cycles. For the study, Honda installed a small pump separate from that of engine lubricating oil pump.

Honda 150