Concept Engine Diesel Powered 
Green Car Congress
OCTOBER 25, 2010
A team from Universita degli Studi di Pisa (Italy) and Rolf Reitz at the University of Wisconsin-Madison are proposing a novel combustion concept—Homogenous Charge Progressive Combustion (HCPC)—based on a split-cycle principle to control HCCI combustion in diesel-fueled engines. —Musu et al. Tamagna, D.,
Green Car Congress
JANUARY 28, 2021
Achates Power was recently awarded a $5-million contract from the US Army to expand the family of opposed-piston engines for military vehicles. The project, awarded in late-2020, builds upon the success of the Advanced Combat Engine (ACE). Major, vice president, Achates Power. Achates Power is partnered with Cummins, Inc.
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Green Car Congress
APRIL 17, 2013
The OP4 light-duty opposed-piston diesel. Achates Power, which is developing a family of two-stroke, compression-ignition (CI) opposed-piston (OP) engines, has designed and is developing a light-duty diesel concept engine, the OP4. Source: Achates Power. Click to enlarge. Click to enlarge. Background.
Green Car Congress
MAY 7, 2009
Rendering of the Ilmor 5-stroke concept engine. Ilmor Engineering will present a new cutaway version of the Ilmor 5-stroke concept engine at the upcoming Engine EXPO 2009, 16-18 June, in Stuttgart, Germany. The 5-stroke concept engine is a self-funded proof of concept. Click to enlarge.
Green Car Congress
MARCH 14, 2011
The engine is designed for use in light-duty vehicles, and demonstrates the potential of modifying passenger vehicle engines to achieve diesel-like fuel efficiency and power using CNG as an alternative fuel. FEV developed ATAC more than a decade ago, targeting large-bore engines in stationary and heavy-duty applications.
Green Car Congress
OCTOBER 18, 2012
Isuzu D201 35 hp diesel engine (left) and the LiquidPiston 40 hp X2 Prototype (right). Expected realized brake efficiency for the X2 is 58% (peak) and 50% at partial load; power density is targeted to be around 2 hp/lb. Power modulation by cycle skipping increases efficiency and recaptures heat. Click to enlarge.
Green Car Congress
MAY 8, 2014
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). We have taken what we learned from our first engine and applied it to the new design.
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