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Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

Green Car Congress

Further, at low loads, the ESTEC engine improves fuel consumption by 11% in the JC08 mode. Improving the vehicle fuel economy is a must due to the climate change and energy issues. Additionally, the intake manifold, EGR cooler and EGR valve are directly connected to reduce the chance of condensation from the cooler.

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Environment Canada/MECA team assesses black carbon emissions in GDI engine exhaust; evaluation of prototype gasoline particulate filter

Green Car Congress

In addition, the inhomogeneity of the fuel mixture under stratified operation in GDI engines during the compression stroke tends to contribute to higher particulate emissions compared to the exhaust emissions from traditional PFI engines. Ford Transit Connect PFI vehicle (PFI#2). —Chan et al. Volvo S40 PFI vehicle (PFI#1).

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2015 VW Jetta TDI: a more refined, powerful and efficient diesel within a nicely redesigned model line

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TDI Clean Diesel EA288 engine ( earlier post ) with an EPA-rated highway fuel economy rating of 46 mpg with the manual transmission (45 mpg automatic). It is one of the most fuel-efficient engines in its class, and already conforms to the LEV3 emissions standard in the US. Fuel economy improvement. 2014 Jetta TDI.

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Prius Prime PHEV pricing to start at $27,100; on sale later this year

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In hybrid mode, the Prius Prime exceeds all competitors’ fuel economy ratings with EPA-estimated 55 city/53 highway/54 combined MPG. The climate control system runs very quietly due to an electric compressor. The EPA-estimated all-electric range is up to 25 miles at up to 84 mph. Pricing starts at $27,100.

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NSF and DOE form Partnership on Advanced Combustion Engines; goal 25-40% better LDV fuel economy and 55% BTE in heavy-duty engines; $12M in awards for FY 2012-2014

Green Car Congress

The high-level performance goals of the Partnership are a 25-40% improvement in fuel economy in a light-duty vehicle (LDV) and achieving 55% brake thermal efficiency (BTE) in heavy-duty engine systems. bio-derived) fuels have the potential to dramatically increase fuel economy. The potential is significant.

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Road Test: 2023 Volkswagen Taos SEL 4Motion

Clean Fleet Report

Fuel economy is EPA-rated at 28 mpg city/36 highway/31 combined for the FWD Taos, with the 4Motion rated at 25/32/28. While fuel economy may be less if your driving keeps you on city streets with frequent starts and stops, it is good to know when on the open road and at a consistent speed, mid-to-high-thirties are possible.

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Lexus NX compact utility arrives in North America

Green Car Congress

liter turbocharged gasoline engine has a combination water-cooled cylinder head, integrated exhaust manifold and twin-scroll turbocharger. liter turbocharged port and direct-injection engine uses an advanced valve control system to switch between Atkinson cycle and Otto cycle operation to optimize performance and fuel efficiency.