Remove Cleaner Remove Exhaust Remove Gasoline-Electric Remove Motors
article thumbnail

HEI launches two new non-tailpipe particulate emission studies

Green Car Congress

Emissions from automobile exhaust systems have decreased in recent years due to the introduction of cleaner fuels and new control technologies on internal combustion engines, as well as increases in numbers of hybrid and electric vehicles.

Emissions 353
article thumbnail

Cummins Agrees to Pay $1.6 Billion in U.S. Emissions Fines

The Truth About Cars

The United States Department of Justice has accused Cummins of installing emissions defeating devices on diesel motors and decided to fine the company $1.67 Claims state that Cummins may have installed the units on roughly 630,000 motors equipped to Ram 2500 and 3500 pickups from the 2013-2019 model years.

Emissions 108
article thumbnail

Small-displacement two-stroke H2 engine could address performance and emissions cost-effectively for recreational market; potential for Asian motor vehicle fleet

Green Car Congress

Comparison of brake thermal efficiency and specific fuel consumption at rated power (ICOMIA Mode 5), hydrogen vs. gasoline engines. It, or a scaled-up version, could also provide a solution for the Asian motor vehicle fleet, in which two-stroke engine vehicles constitute a major share—and contribute significantly to air pollution.

Engine 329
article thumbnail

Mazda announces SKYACTIV-X: gasoline Spark Controlled Compression Ignition

Green Car Congress

Mazda Motor Corporation announced “Sustainable Zoom-Zoom 2030,” a new long-term vision for technology development that looks ahead to the year 2030. As part of the new technology to achieve this vision, the company disclosed plans to introduce a next-generation gasoline engine called SKYACTIV-X in 2019. Earlier post.). Earlier post.).

Mazda 186
article thumbnail

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

Green Car Congress

liter Dynamic Force ( earlier post ) four-cylinder Toyota Hybrid System II (THS II) with 650V electric motor (A25A-FXS) and Continuously-Variable Transmission (CVT). The VVT-iW system is employed on the intake cycle, with VVT-i (Variable Valve Timing - Intelligent) activated on exhaust. l/100 km) combined to 44 mpg (5.34

article thumbnail

Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

Green Car Congress

the step-by-step introduction of electrification to SKYACTIV internal combustion engines: stop-start, followed by regenerative braking, followed by electric motor drive technologies. liter MZR gasoline engine, with approximately 15% more torque at the lower and mid-ranges, using 87 AKI (anti-knock index, or pump octane) fuel.

Mazda 322
article thumbnail

TNGA-based 2019 Toyota Avalon features new hybrid system

Green Car Congress

Calty) in Ann Arbor, Michigan; Toyota Motor North America Research and Development (TMNA R&D) in Saline, Michigan; and Toyota Motor Manufacturing, Kentucky, Inc. liter Dynamic Force four-cylinder Toyota Hybrid System II (THS II) with 650-volt electric motor (A25A-FXS) and Continuously-Variable Transmission (CVT).

2019 207