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Borla exhaust display at SEMA shows future of EV sound design

Teslarati

Performance exhaust manufacturer Borla displayed what it hopes is the future of electric vehicle “exhaust” sound systems at SEMA this week. Loud cars and their associated exhaust systems are nothing new to car culture, and a leader in this industry has been Borla exhausts.

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Study identifies combustion-derived nanoparticles in diesel exhaust as the predominant mediator for adverse cardiovascular events

Green Car Congress

A large body of work shows that exposure to road traffic and air pollution may be a trigger of adverse cardiovascular events such as angina, myocardial infarction, and heart failure, with long-term exposure increasing the lifetime risk of death from coronary heart disease.

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Event: 2023 Acura Integra Introduced

Clean Fleet Report

Acura wants to rekindle that spirit with the all-new 2023 Integra, which was shown to the media at a Los Angeles event this week. The Integra’s fastback, five-door hatchback design has a smooth body, beginning with what Acura calls the frameless Diamond Pentagon grille. More swoop. Story and photos by John Faulkner. [

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Volkswagen 2.0 TDI diesel for Euro 6d; SCR twin-dosing

Green Car Congress

With SCR twin dosing technology in the exhaust gas system, the diesel unit now undercuts the Euro 6d emission standard limits while also running quietly and smoothly, according to the company. The four-cylinder TDI engine with the internal designation EA 288 made its debut in 2012. As previously, the 2.0

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Motiv Engines introduces 2nd-generation split-cycle concept; MkII Clarke-Brayton heavy-duty engine being designed for LNG

Green Car Congress

The thermodynamics of the engine are virtually identical to the company’s previous CCI (Compact Compression Ignition) design, as described in a 2013 SAE paper, but are implemented in a much more conventional way. It expands all the way to ambient pressure before the exhaust stroke. All valves are actuated by overhead cams.

Engine 345
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Brunel to use Camcon Single Cylinder IVT in researching future powertrain concepts

Green Car Congress

Both conventional and unconventional event profiles can be achieved. The conventional camshafts are completely eliminated and valve position can be monitored throughout the event using a specialized sensor. Compatible with most single-cylinder combustion development engines, SCI is designed to plug-and-play straight out of the box.

Concept 275
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Porsche's New Six-Stroke Engine Explained

The Truth About Cars

This alteration allows for a second compression and power phase, effectively doubling the combustion events within a single cycle,” stated the automaker. On a four-stroke motor — like the one that’s situated beneath the hood of your daily driver — there is an intake, compression, power, and exhaust stroke.

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