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New Mercedes-AMG SL 43 features engine with electric exhaust gas turbocharger derived directly from Formula 1

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liter turbocharged M139 engine featuring an electric exhaust gas turbocharger. The turbocharger is operated via the 48-volt electrical system, which also feeds the belt-driven starter-generator (RSG). An electric motor around 1.6 Under the hood of the open-top 2+2-seater is an AMG-enhanced 2.0-liter

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Audi introduces new CNG A3 Sportback

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Its turbocharger with variable turbine geometry makes optimal use of the exhaust gas energy for early and harmonious torque development. The cylinder head, injection system, turbocharger and catalytic converter were modified accordingly for the CNG engine. The A3 Sportback 30 g-tron 1.5 lb-ft) of torque between 1,400 and 4,000 rpm.

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Two Audi TDI technology studies with electric biturbo, 48V electrical systems; both technologies to go into series production

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V6 TDI bi-turbo with electric compressor. Audi has built two technology studies with the “electric biturbo” technology it is developing ( earlier post ): the Audi A6 TDI concept is equipped with a new 3.0 a single turbo with supplementary electric compressor), while the Audi RS 5 TDI concept with a 3.0 Click to enlarge.

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Volkswagen introduces new Coasting 2.0 micro hybrid system and new natural gas engine at Vienna Motor Symposium

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Volkswagen is also highlighting its spectrum of efficiency and electrification solutions all the way to further optimized battery-powered propulsion as in the new e-Golf and the coming new MEB-based electric vehicles exemplified by its series of I.D. Partially and fully electric drive systems form a key pillar of our drive system strategy.

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Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

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Internal combustion engines have been significantly improving in the past decade, after the adoption of technologies such as Gasoline Direct Injection, mild electrification, downsizing and turbocharging. The OSU EcoCAR prototype vehicle features an extended-range electric architecture with a downsized 1.8L —Marcello Canova.

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Audi’s mild-hybrid systems: 12V for 4-cylinders, 48V for 6- and 8-cylinders

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For the four-cylinder engines they are based on the familiar 12-volt electrical system. The six-cylinder and eight-cylinder engines, as well as the W12 cylinder units, will receive a new 48-volt system generally serving as the main vehicle electric system. During slow coasting, the start-stop phase already begins at 22 km/h (14 mph).

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Volkswagen targeting 5% of Jetta sales in US with new sporty Hybrid model; expected 45 mpg combined

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Volkswagen is holding media drive events this week for the sporty new 2013 Jetta Turbo Hybrid ( earlier post ), which features the second version of a Volkswagen gasoline-electric hybrid drive system: a 1.4L The Jetta Hybrid can accelerate from 0-60 mph in 8.6 kWh Li-ion battery pack. Jetta Hybrid powertrain. Click to enlarge.

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