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New 3rd generation Audi TT diesel offers fuel economy of 56 mpg

Green Car Congress

In both versions it unites various advanced technologies: additional indirect injection supplementing the direct injection of the FSI; the Audi valvelift system (AVS) to adjust the valve stroke on the exhaust side; and thermal management, which uses a rotary valve module and an exhaust manifold integrated into the cylinder head.

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Audi banking on Gen 2 3.0L TDI diesel for US sales; calls for a “fair shot” for diesel

Green Car Congress

Do they receive HOV access for their improved fuel economy and ultra low emissions? In fact in 6 of the states, diesel fuel is penalized with additional state taxes. So diesel fuel gets taxed twice or penalized twice at the federal and state level. Changes in the exhaust manifolds and turbo from Gen 1 to Gen 2.

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Road Test: 2022 Acura RDX SH-AWD A-Spec Advance

Clean Fleet Report

The Acura RDX has been one of the best-selling compact premium SUVs since 2006, and has sold more than 50,000 every year since 2015. With this success you had better bet folks at Acura were careful when doing a light restyle for the 2022 RDX, with a refresh of the exterior, interior and suspension plus added standard technology.

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VW Beetle TDI diesel going on sale in US this summer

Green Car Congress

Pricing of the diesel model, which is joining the gasoline-fueled Beetle 2.5L From 1998 until 2006, the New Beetle was fitted with a 1.9-liter Since then, this engine has been heavily revised to accommodate increasing demand for improvements in exhaust emissions and acoustics. Each cylinder has two intake and two exhaust valves.

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Report argues advanced HD natural gas vehicles foundational for California to hit air and climate goals; near zero-emission potential

Green Car Congress

Since the advent of the first Low-Emission Vehicle regulations in 1990 and the passage of California Assembly Bill 32 (AB 32) in 2006, the California Air Resources Board (ARB) has attempted to address the state’s air quality and climate goals by requiring development of motor vehicles that do not directly emit NO x or other criteria pollutants.

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Lotus Omnivore Engine Shows Up To 10% Better Fuel Economy Than Spray-Guided GDI Engines; Achieves HCCI At Extremely Light Loads

Green Car Congress

In addition to demonstrating better fuel consumption results than current advanced gasoline engines, the Omnivore engine has successfully demonstrated homogeneous charge compression ignition (HCCI) down to extremely light loads. Jamie Turner, Chief Engineer of Powertrain Research at Lotus Engineering. Displacement. Compression ratio.

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GMZ Energy successfully demonstrates 1 kW thermoelectric generator for Bradley Fighting Vehicle

Green Car Congress

GMZ Energy, a market leader in the development of high-temperature thermoelectric generation (TEG) solutions, has successfully demonstrated a 1,000W TEG designed for diesel engine exhaust heat recapture in a Bradley Fighting Vehicle. GMZ is targeting a fuel economy improvement of 5%. Earlier post.) Click to enlarge.

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