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Torotrak to present extreme engine downsizing solution at Dresden supercharging conference

Green Car Congress

In comparison with the incumbent fixed-ratio positive-displacement supercharger on a 1.0L In comparison with the incumbent fixed-ratio positive-displacement supercharger on a 1.0L V-Charge system with mechanical variable drive outperforms conventional boosting methods on downsized gasoline engine. Click to enlarge.

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First videos of Rivian R2 and R3 driving on public roads show size comparisons

Baua Electric

Now video has emerged showing these cars driving on public roads, next to other cars, offering a better visual size comparison, and a look at the cars in motion in the sunlight. In the R2 unveiling, Rivian did tell us all the dimensions of the R2, so the comparisons there aren’t as important. Both their looks, and their sizes?

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Google and IEEE launch $1M challenge for downsized inverters

Green Car Congress

As a few points of comparison, the Bosch INVCON 2.3 The grand prize winner will be announced sometime in January, 2016. Google and IEEE are emphasizing size reduction in their challenge, without targeting a specific application area such as automotive.

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VW Premieres New Polo GTI; Textbook Downsizing Results in 25% Reduction in Fuel Consumption from Predecessor

Green Car Congress

The new Polo GTI, in what Volkswagen is calling “textbook downsizing”, is powered by a new 1.4-liter By comparison, its direct predecessor with regard to power—equipped with a 132 kW 1.8-liter The new Volkswagen Polo GTI. Click to enlarge. Volkswagen is premiering the new Polo GTI. Combined fuel consumption is 5.9

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Study Finds Strong Synergy Between Spark Ignition Engine Downsizing and Low-to-Moderate Alcohol Blend Fuels

Green Car Congress

A study by engineers from Mahle Powertrain Ltd and BP found strong synergy between spark ignition (SI) engine downsizing and fuel containing low-to-moderate amounts of alcohol, including ethanol and butanol. The team presented a paper on their work at the recent SAE 2009 World Congress in Detroit. Cairns et al. SAE 2009-01-0138).

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JAC and Ricardo develop production version of HyBoost concept; seeking 30% boost in fuel economy with same performance

Green Car Congress

The Ricardo HyBoost concept is based on a downsized, highly boosted turbocharged direct injection gasoline (TDGI) engine giving improved fuel economy at low cost, linked to a 48V electrical architecture including a belt starter generator (BSG), DC-DC converter and a lithium-ion battery for energy storage. This launch vehicle replaces the 2.0L

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Mercedes-Benz delivers first two of eight Citaro G BlueTec Hybrid buses to Dresden

Green Car Congress

The articulated Citaro series hybrid uses a downsized diesel engine as the genset to provide power for a lithium-ion battery pack located on the roof. In comparison with a conventional diesel bus, the combustion engine is about half as large, at 450 kg instead of 1000 kg and a cubic capacity of only 4.8 liters instead of twelve.

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