Inadequate in the smaller Jetta and a cruel joke in the Passat, the 2.5L will be replaced with a small-displacement gas-turbo engine for model-year 2013, and not a second too soon.
Meanwhile, auto makers are proving there's still plenty of potential in the gas-powered engine to meet customer's fuel-efficiency demands.
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Aston Martin is showing a new version of its four-door Rapide, which uses a gas-chugging V12 engine.
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It is a cleaner, more fuel-efficient engine than the gas-guzzling original, which the carmaker stopped producing in 1971.
If drivers of premium-required cars try to burn regular gas, they could damage their engine due to high exhaust-gas temperatures and knocking.
The vibe in the Fusion Hybrid is one of abiding integration: the subtle slurring of ratios in the continuously variable transmission, the share-the-load cooperation between electric and gas engine (2.0-liter, 141-hp Atkinson-cycle four-cylinder), a sort of light, transparent flickering of power sources.
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Cummins is leading global manufacturer of diesel and natural gas engines, engine-related component products, and electric power generation systems.
Plus, using the six-cylinder gas engine is part of a larger strategy to apply the hybrid powertrain to various models, including the 5 Series and 7 Series.
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The powertrain, which we saw earlier on a concept car, combines a V6 bi-turbo gas engine with a 95 horsepower electric model for 416 total system horsepower.
The Jaguar, with two electric motors and a supercharged 1.6-liter gas engine (the show car version actually uses two microturbines) can manage more than 30 miles on the batteries.
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The 2.5-liter inline 4-cylinder gas engine and permanent magnet AC synchronous electric motor in the MKZ deliver 191 net horsepower, a modest amount of power for a 3, 752 lb vehicle.
In an ironic twist, one of the showstoppers is the VL Destino, which strips the Karma of its electric drive-train and inserts a fire-breathing, 638-horsepower Corvette ZR-1 gas engine in its place.
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When the battery is depleted (or when driven at very high speeds), the premium-gas internal combustion engine powers the car, but its fuel mileage suffers from having to shove around 400lbs of batteries.
The answer that B9 is proposing is a coastal cargo ship that combines massive carbon-fibre DynaRig sails - such as those used on the superyacht, the Maltese Falcon - with an engine that runs on bio-gas made from food waste using a process called anaerobic digestion.
New gas direct-injection 4-cylinder engine weighs less than earlier model.
Rob Peterson and Britta Gross of GM, both integral to the Volt program, dare me to guess when the car switches from battery-only to using the gas engine as a generator, and I totally miss it.
It is powered by a hydrogen fuel-cell engine, which converts hydrogen gas into energy.
PowerBox Concept hybrid, for example, shown at the L.A. show, looks a lot like a standard sports utility vehicle (SUV) but combines a supercharged V-6 engine that runs on compressed natural gas and an electric motor that provides added power for acceleration and passing.
It will store 16 kilowatt-hours of electricity--enough to travel 40 miles without assistance from the gas engine.
The Energi has a nominal all-electric range of 21 miles, after which the gas engine comes whispering onstage.
The Green Book, produced by the American Council for an Energy-Efficient Economy (ACEEE), says that in evaluating plug-in hybrids, it considers both the emissions from the gas engine and from the power plants that feed the grid.
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The engine will open up the world of long-distance natural gas trucking.
According to Schorr, the C-X75 will have three modes: full electric, and with the gas engine either partly supplementing the electric motors or fully engaged.
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The rocket engine power plant runs at a 35% thermal efficiency, versus 55% for conventional gas-fired plants.
But the best part is the engine, a 3.5-liter V6 that pulls like a V8 without guzzling gas.
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The Volt is a plug-in hybrid with 25 to 50 miles of electric range, and another 300 from its gas engine.
Relying on oil and gas wealth, the country has yielded only a handful of entrepreneurial successes: search engine Yandex, e-mail service Mail.ru, cyber security giant Kaspersky Labs, and cloud computing company Parallels.
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