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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.

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Google and IEEE launch $1M challenge for downsized inverters

Green Car Congress

Google and the IEEE have launched the Littlebox Challenge—an open competition to design and build a small kW-scale inverter with the highest power density (of at least 50 W/in 3 , or 3.05 As a few points of comparison, the Bosch INVCON 2.3 kW/L) in an enclosure of less than 40 in 3 in volume (0.66L).

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Co-Optima releases capstone report on first 4 years of work

Green Car Congress

compression ratio, extent of downsizing, etc.). This information provides the biofuel community a comprehensive and consistent comparison of the feasibility and technical research and development barriers to commercializing promising boosted SI blendstocks. —Co-Optima capstone report.

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FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

Green Car Congress

downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio. In comparison, naturally aspirated engines have a higher compression ratio in the order of 1 to 1.5 Click to enlarge.

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Pinnacle Engine pre-production prototype opposed piston engine shows about 27% fuel consumption improvement across different scooter cycles compared to conventional engine

Green Car Congress

Fuel mass flow comparison shows Pinnacle engine ahead at just about all points in the map. Due to the major differences in engine design, these settings differ significantly. In piston design, there is a whole science involved in where to put the center of gravity of the piston. Click to enlarge.

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Rare Rides Icons: The Lincoln Mark Series Cars, Feeling Continental (Part XLIII)

The Truth About Cars

Other dimensions of the Mark VIII were larger in all directions, a stark contrast to the extreme downsizing implemented on Mark VI, a measure pushed further by the tidy proportions of the Mark VII.& Worth a quick comparison, the equivalent Thunderbird weighed 3,536 pounds with a V6 engine or 3,725 with the V8.

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Global WorldAutoSteel Project Presents Interim Results of FutureSteelVehicle (FSV) Phase 2 Project for Low GHG Body Structure for Electrified Vehicles

Green Car Congress

The FSV Program is midway through its second phase, designing optimized AHSS body structures for four proposed 2015-2020 year vehicles: battery electric (BEV); plug-in hybrid electric (PHEV), with both PHEV-20 and PHEV-40 powertrains; and fuel cell (FCV), with variants among the different powertrain types for four and five passengers vehicles.