Green Car Congress

OCTOBER 29, 2019

Dutch start-up ECONAMIQ is developing a novel engine technology which saves up to 20% in fuel consumption. The “ECONAMIQ principle” uses flexible over-expansion in combination with cylinder deactivation technology to increase performance and efficiency without significantly changing the engine layout or architecture.

Fuel 186

Fuel San Jose 2019 Engine 186

Green Car Congress

MAY 23, 2009

Schematic of downsized and supercharged four-stroke hybrid pneumatic spark injection engine. The reduction in fuel consumption is obtained mainly through enabling the effective use of a heavily downsized engine, rather than from regenerative efficiency. Source: ETH Zürich. Click to enlarge. Earlier post.). Dönitz et al.

Downsizing 170

Downsizing Concept Engine Hybrid 170

Green Car Congress

MAY 8, 2014

Section of the MkII Clarke-Brayton split-cycle engine. Motiv Engines, LLC introduced the second-generation of its engine concept dubbed the MkII Clarke-Brayton Engine, which it intends to develop into a heavy-duty on-highway engine fueled by liquid natural gas (LNG). Note the three different cylinder sizes.

Engine 345

Engine Concept Design Exhaust 345

Green Cars News

MAY 6, 2009

An engine that provides vehicle manufacturers with an immediate solution for low emission legislation will make its European debut at the Engine EXPO in Stuttgart. The split-cycle engine from the Scuderi Group offers high efficiency standards without the need for large investments to modify existing production processes.

Engine 36

Engine San Antonio Petrol Concept Engine 36

Green Car Congress

SEPTEMBER 25, 2009

Basic components of the Garric engine. A pair of Florida entrepreneurs, Rick Ivas and Gary Kelley, are developing the concept of the Garric engine: a rotary, variable compression ratio engine promising a combination of high power and torque and low fuel consumption. In August, Garric Engines. Click to enlarge.

Concept 220

Concept Engine Exhaust Florida 220

Green Car Congress

MAY 9, 2013

liquid air) Dearman piston engine. Source: Dearman Engine Company. A new new forum for the advocacy and development of liquid air as an alternative technology to harness waste and surplus energy within power and transport—the Liquid Air Energy Network (LAEN)—has formed in the UK. Click to enlarge.

Energy Storage 268

Energy Storage Transportation Energy Waste 268

Green Car Congress

DECEMBER 30, 2015

Researchers at the Dalian University of Technology have proposed a novel method to control premixed charge compression ignition (PCCI) phasing in internal combustion engines in all load operations. It compresses the pressurized gas produced by exhaust gas turbocharger, comprising fresh air and exhaust gas introduced from the EGR valve.

Engine 150

Engine Hybrid Diesel Exhaust 150

Green Car Congress

APRIL 20, 2009

The engine is packaged as a research engine, with easy access for instrumentation, a balancer shaft, etc., The Scuderi Group unveiled a cutaway model of the first proof-of-concept prototype for its Scuderi Split-Cycle Engine ( earlier post ) at the SAE World Congress in Detroit. Model of the working prototype.

Engine 170

Engine San Antonio Production Concept Engine 170

Green Car Congress

JUNE 6, 2012

A researcher at the Nanjing University of Science & Technology is proposing a novel opposed-piston free-piston linear generator for use in series hybrid electric vehicles. Secondly, the central combustion chamber is benefit for highly efficient scavenging via intake and exhaust ports without using valves. Click to enlarge.

Design 321

Design West Virginia Hybrid 2012 321