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EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

Green Car Congress

The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards. In this instance, CARB requested two waivers for regulations relating to heavy duty vehicles and engines.

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EPA seeks input on Phase 3 GHG standard rulemaking for heavy-duty engines and vehicles

Green Car Congress

This Panel will focus on the agency’s development of a rule that proposes to set a new phase of greenhouse gas requirements for heavy-duty engines and trucks that would apply beginning in Model Year 2030. The Phase 1 standards began to apply in Model Year 2014 for heavy-duty vehicles.

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Researchers capture first images of CO2 emissions from commercial aircraft engine using chemical species tomography

Green Car Congress

Researchers have used a novel near-infrared light imaging technique to capture the first cross-sectional images of carbon dioxide in the exhaust plume of a commercial jet engine. To image such a large area, the researchers used a 7m-diameter optical mounting frame (red) located just 3 m from the exit nozzle of the engine.

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The Engineer Behind Samsung’s Speech Recognition Software

Cars That Think

in language and information technology from Carnegie Mellon , and he specialized in robust speech recognition. encouraged him to apply for a software engineering job there. He left Microsoft in Seattle where he had worked for three years as a software development engineer and speech scientist. And that’s exactly what he did.

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New Toyota Highlander turbocharged engine offers more torque and fewer emissions

Green Car Congress

The 2023 Toyota Highlander gas models are equipped with a new, higher-torque, high-efficiency turbocharged engine. liter V6 engine’s 263 lb-ft (357 N·m). Fuel efficiency is also improved for this higher-torque engine with an EPA-estimate of up to 25 MPG combined. The 265-horsepower, 2.4-liter Highlander Hybrid.

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Toyota unveils 2021 Venza crossover, hybrid powertrain standard

Green Car Congress

liter DOHC four-cylinder engine with three electric motors in a highly compact system. The gas engine employs Variable Valve Timing-intelligent system by Electric motor (VVT-iE) on the intake camshaft, and VVT-i on the exhaust camshaft. Engine speed is synchronized with vehicle speed, yielding effortless and quiet acceleration.

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Second-generation Audi A7 Sportback features standard 48V MHEV system with gasoline or diesel engines

Green Car Congress

The drive system features a new mild-hybrid system (MHEV) as standard. TDI (diesel) engine. With either engine, the MHEV system is based on a newly developed 48-volt primary electrical system and a belt alternator starter (BAS) generating up to 12 kilowatts of recuperation power. TFSI (gasoline) or a 3.0 lb), the 3.0

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