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Tech: What You Need to Know About Your Exhaust System

Clean Fleet Report

If you’re driving down the road and you notice a quiet car in front of you, you should know that the car’s exhaust system is doing its job. A well-maintained exhaust system is essential in making your ride safe and sound. If your exhaust system is working correctly, it benefits your fuel consumption and the environment.

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New 2019 Toyota Avalon hybrid boosts fuel economy 10% to 44 mpg combined

Green Car Congress

Toyota estimates that the 2019 Avalon Hybrid will boost fuel economy by up to 10% over its MY 2018 predecessor, from 40 mpg (5.88 l/100 km) combined to 44 mpg (5.34 Estimated combined cycle fuel economy is 26 mpg (9.04 Avalon HV continues to be the only full hybrid vehicle in the segment. l/100 km) combined. The new TNGA 2.5-liter

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Audi introduces new high-efficiency 2.0L TFSI based on Miller cycle; 190 hp, 47 mpg

Green Car Congress

mpg US) in the NEDC, clearly undercutting both its predecessor and comparable competitors. Contributing to this benefit is also the exhaust manifold, integrated in the cylinder head. The four-cylinder engine delivers 140 kW (190 hp) and 320 N·m (236.0 The engine also features low fuel consumption levels of less than 5.0

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SwRI D-EGR gasoline demo vehicle delivers diesel efficiency at lower cost; potential for LEV III/Tier 3 emissions

Green Car Congress

mpg) and a 9.2% Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. With D-EGR, one or more cylinders have their exhaust connected directly to the intake system. Chadwell et al.,

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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fuel economy (CAFE) target of 26 mpg (9.05 l/100 km), and as such would not meet the GHG requirement of 28 mpg (8.4 Exhaust system configuration.

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Toyota’s new conventional and hybrid powertrains for 2018 Camry deliver significant boost in efficiency

Green Car Congress

The engine features VVT-iE on the intake side while utilizing VVT-i (Variable Valve Timing with intelligence) for the exhaust, a highly efficient compression ratio of 13:1 (14:1 for the hybrid version) for increased thermal efficiency and fuel efficiency and a bore and stroke measuring 3.44 inches and 4.07 Like the 2.5-liter inches and 3.27

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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

Green Car Congress

mpg at DSF versus 17.34 mpg at V8 mode. The hardware modifications required for DSF were: Addition of production lost-motion lifters for cylinder deactivation, required for both intake and exhaust valves for the four cylinders not equipped with these lifters from General Motors. —Eisazadeh-Far and Younkins.