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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

Green Car Congress

Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% One significant trend is engine downsizing coupled with turbocharging. Turbochargers work by using a turbine driven off the exhaust gas to pressurize the intake air. of new gasoline-fueled LDV sales.

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Hyundai showcasing new downsized turbo engines and 7-speed dual-clutch transmission; i40 48V Hybrid, i30 CNG

Green Car Congress

Hyundai Motor is showcasing two new turbocharged gasoline direct injected (T-GDI) engines at the Paris Motor Show 2014. In addition, Hyundai is premiering at the Paris show its first 7-speed dual-clutch transmission, fitted into the i30 CNG natural gas concept car, which contributes to improved fuel efficiency. Click to enlarge.

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Ricardo to display functional integration prototype of ADEPT 48V “intelligent electrification” diesel

Green Car Congress

Ricardo will display the first functional integration prototype of the Advanced Diesel Electric Powertrain (ADEPT) collaborative research project ( earlier post ) in public for the first time this week at the Low Carbon Vehicle Event (LCV 2014) in the UK. 48V Diesel Fuel Efficiency'

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Ford moving to vehicle testing with advanced 2.3L MiGTDI engine research project; Tier 3 SULEV30 target with 25% fuel economy improvement

Green Car Congress

The original project target was Tier 2 Bin 2 emissions, but in August 2013, it was agreed to shift that to the Tier 3 target—essentially the same with combined NO x and NMOG emissions, but more strict with CO and PM. 1, and the engine is designed to run on 98 RON gasoline. Installed in a 2013 Fusion. Electric TiVCT system.

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Update on the ACCESS fuel efficient engine project; simulations find up to 48.9% improvement in fuel economy over baseline

Green Car Congress

At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. Earlier post.). I4 Ecotec engine.

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Full lifecycle CO2 of new Mercedes C-Class 10% less than outgoing model

Green Car Congress

Over the entire lifecycle of the C 180, the lifecycle analysis yields a primary energy consumption of 521 gigajoules (corresponding to the energy content of around 16,000 liters of gasoline); an environmental input of approx. Selected result parameters for the C 180 compared with its predecessor from 2013 [unit / car]. The new C-Class.

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ICCT: 2025 target average of 70 g/km CO2 for new cars in EU feasible and economical; more so with electric drive

Green Car Congress

However, transitioning soon to electric drive could lower manufacturers’ compliance costs by as much as €500 (US$532) per vehicle in 2025. In 2013 the European Parliament recommended an “indicative range” of 68–78 g/km for 2025, while holding out the possibility that even lower targets should be considered if justified.

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