Comparison Economy Exhaust Low Cost 
Green Car Congress
MAY 24, 2011
The Prius plug-in hybrid (PHV), to be released next year, and a low-cost compact hybrid based on the Prius C design study ( earlier post ), to be introduced sometime afterward, will constitute the Prius family’s third and fourth vehicles, respectively. Click to enlarge. L/100km / 5.88 L/100km / 5.6 L/100km).
Green Car Congress
DECEMBER 16, 2010
This subtopic seeks research and development projects on novel lubricant formulations expected to improve the efficiency of advanced combustion regime engines by at least 10% (improvement based on comparison to similarly configured 2002 or later commercially available combustion engine). Subtopics include: Low-Cost Development of Magnesium.
Green Car Congress
APRIL 24, 2012
Comparison of ISFC (@42.9 The test engine for the paper was a 250cc single-cylinder unit with dual-camshaft-actuated reciprocating sleeve valves for induction and exhaust. For a comparison engine, Pinnacle used a 200 cc, conventional two-valve, air-cooled, carbureted model. Source: Pinnacle. Click to enlarge.
Green Car Congress
DECEMBER 10, 2009
Comparison of fuel consumption of Omnivore, homogeneous Gasoline Direct Injection (GDI) and Spray-Guided GDI engines. Schnürle loop scavenging with five transfer ports and one exhaust port fitted with Lotus charge trapping valve providing asymmetric and continuously-variable exhaust port timing. Click to enlarge. Displacement.
Green Car Congress
JANUARY 13, 2017
liter compression-ignition OPE will will be 30-50% more fuel efficient than comparable diesel and gasoline direct injection engines, reduce emissions and cost less than alternative technologies under development for meeting 2025 CAFE fuel economy and Tier 3 emission targets. A comparison between the 2.7L Earlier post.).
Green Car Congress
MAY 4, 2015
kg), for a power-to-weight ratio of 478 W/kg; by comparison, Wrightspeed’s new Fulcrum microturbine offers a power-to-weight ratio of 750 W/kg. There have been a number of problems with automotive applications of turbines, Wright noted, among them fuel economy and efficiency, and cost.
Green Car Congress
APRIL 29, 2011
Pinnacle says its engine achieves 30-50% better fuel economy in various drive cycle comparisons without the large cost penalty that can be associated with significant fuel economy improvement. The Pinnacle engine using a sliding sleeve valve system: intake liner, exhaust liner, spark plug in the middle.
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