Concept Engine Hybrid International 
Green Car Congress
OCTOBER 31, 2009
The wave disc engine, a new implementation of wave rotor technology, was earlier developed by the Michigan State group in collaboration with researchers from the Warsaw Institute of Technology. The WDG also can reduce carbon dioxide emissions by as much as 95 percent in comparison to modern internal combustion vehicle engines.
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. The application of HPE is also beneficial to the fuel consumption and emissions because of its several flexible operation modes.
Green Car Congress
JUNE 1, 2013
The combination of discrete, asymmetrically sized cylinders and fully variable valvetrain promises the ability to vary displacement ratios, bore-stroke ratios, compression-expansion ratios, compression-expansion phasing, and gas transfer phasing for engine optimization—i.e., a more efficient internal combustion engine.
Green Car Congress
MAY 9, 2013
Heat hybrid. A cryogenic engine such as the Dearman engine could also be used as a heat hybrid in combination with an internal combustion engine or hydrogen fuel cell to convert waste heat into additional shaft power at high levels of efficiency, reducing both fuel consumption and emissions.
Green Car Congress
OCTOBER 18, 2012
Isuzu D201 35 hp diesel engine (left) and the LiquidPiston 40 hp X2 Prototype (right). Internal cooling with air or water (Rankine). Liquid Piston is married to the High Efficiency Hybrid Cycle—e.g. to the thermodynamics, not to a particular engine. Click to enlarge. LiquidPiston, Inc.
Green Car Congress
NOVEMBER 12, 2018
Since internal combustion engines will remain the primary mode of choice for mobility in the foreseeable future, both alternative (renewable) fuels and high-performance combustion concepts/ engines using fuels adapted for that purpose will be preferred for reducing the combustion impact on climate change.
Green Car Congress
SEPTEMBER 27, 2017
Powertrain concepts. At NACV 2017, Bosch is also showcasing several future-focused powertrain concepts engineered to save fuel and money while extending the lives of fleets. The eAxle is a scalable, modular platform with the motor, power electronics, and transmission form one compact unit. Thermal management.
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