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Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

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In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter Meaning, DSF reduces fuel consumption by 14-18% over V8. liter V8 by operating using Dynamic Skip Fire.

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GM Ventures portfolio company SDCmaterials secures 1st supply agreement for cost-saving advanced catalyst products for autos

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SDCmaterials, a developer of advanced catalyst products based on a novel materials fabrication and integration platform, announced a partnership and formalized a supply agreement with Car Sound, a leading manufacturer of catalysts and catalytic converters for the automotive aftermarket. Further advancements in automotive fuel economy.

GM 150
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Chevy Equinox diesel offers EPA-rated 39 mpg hwy; starts at $31,435

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GM expects that number to top the segment in highway fuel economy, with greater highway mileage than the 2017 Toyota RAV4 hybrid (30 mpg) and Nissan Rogue hybrid (35 mpg FWD). is a clean-sheet redesign developed entirely within General Motors, including the engine control system. turbo-diesel engine. Earlier post.).

MPG 150
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2012 Chevy Sonic with 1.4L Turbo delivers 40 mpg on highway

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L/100km) on the highway with a six-speed manual transmission and city fuel economy of 29 mpg (8.1 The Sonic’s highway fuel economy makes it one of the most fuel-efficient small cars in the market, with fuel economy equivalent to the 2012 Ford Fiesta SFE and on a par with the 2012 Hyundai Accent.

MPG 262
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New GM/Tula DSF cylinder deactivation technology could boost fuel efficiency in engines by up to 15%

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Comparison of DSF fuel economy gains and costs with competing technologies, from Tula’s 2013 SAE paper. In automotive applications, engine torque production is demanded by the vehicle driver in an often highly transient manner. Wide authority over generation of vibrational and acoustic excitations. Wilcutts et al.

GM 150
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T&E: VW sells least polluting Euro 6 diesels in Europe; no brand meets Euro 6 in real-world driving; loopholes & defeat strategies

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Among the real-world findings per car brand: Fiat and Suzuki diesel cars on average exceed the NO x limit by 15 times; Renault-Nissan vehicles by more than 14 times; General Motors’ brands Opel/Vauxhall by 10 times; and. VW Group’s Dieselgate engines were mostly of the previous Euro 5 generation. Volkswagen by 2 times.

Pollution 150
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VM Motori Awards CGI Block and Bedplate Contracts for New 3.0L Diesel to Tupy

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the Tupy foundry of Brazil, the world’s leading CGI producer, a series production contract for the cylinder block and bedplate of its new A 630 DOHC 3.0-liter The CGI cylinder blocks and bedplates began series production at the Tupy Joinville foundry during mid-2010 using the SinterCast process control technology.

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