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ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal drop in fuel economy due to traveling 80 mph rather than 70 mph.

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Honda includes stop-start system in new 2016 Honda Pilot for improved fuel economy, new 9-speed

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For improved fuel efficiency, the 2016 Pilot will also include a stop start feature—Honda’s first non-hybrid application of this technology. Honda VCM deactivates the cylinder by using its VTEC (Variable Valve Timing and Lift Electronic Control) technology to keep the intake and exhaust valves in the closed position to halt fuel supply.

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Mazda unveils new Mazda3; first production car to offer Skyactiv-X SPCCI engine with M Hybrid system

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The engine is assisted by Mazda’s intelligent new M Hybrid system, which supports greater gains in fuel economy, and achieves higher levels of driving pleasure and environmental friendliness. It also reduces overall mechanical loss by approximately 60% over the previous model and contributes to improved fuel economy.

Mazda 230
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Mercury Marine Launches New Lower-Emission Outboard Motors with Orbital FlexDI System

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The two new outboards, the 200 Pro XS and the 125 hp, use Orbital FlexDI direct injection fuel systems ( earlier post ), and are reported as having best in class fuel economy. A four-star label identifies engines that meet the Air Resources Board’s Sterndrive and Inboard marine engine 2009 exhaust emission standards.

Mercury 150
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Infiniti introducing production-ready variable compression ratio engine at Paris Motor Show

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Nissan, in a 2003 paper, said that its multi-link geometry resolved those previous issues. 2003) “A Study of a Variable Compression Ratio System with a Multi-Link Mechanism,” SAE Technical Paper 2003-01-0921 doi: 10.4271/2003-01-0921. Takahashi, N., and Hiyoshi, R. Ushijima, K., Hiyoshi, R. and Brevick, E.

Infinity 150
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Chrysler to introduce PHEV models in 2016 and 2017 to meet ZEV requirements; new FCA gasoline engine family coming in 2015

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For MY 2012 in the US, FCA was compliant with fuel economy requirements, but had negative credit generation due to model mix. There will be a common engine package for full-size truck, large SUV and large sedan/coupes, and the technologies and benefits will be more substantial than cylinder deactivation was in 2003, Lee said.

Chrysler 294
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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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The second wave of ethanol fuel production and consumption in the Brazilian market began in the 1990s when the use of anhydrous ethanol started to rise. Consumption of anhydrous ethanol has grown steadily since the 1990s, peaking in 2003. Anhydrous Ethanol vs. Hydrous Ethanol. C in the anhydrous state.