Remove Diesel Remove Environment Remove Exhaust Remove Japan
article thumbnail

Study links deterioration of concrete and asphalt to trace quantities of organic matter; diesel exhaust, windshield washer fluids

Green Car Congress

They tested a variety of asphalt samples from Japan dating back to 1960; a number of concrete samples from across the world were also tested, and a 120-year-old concrete sample was used as a reference.

Exhaust 391
article thumbnail

UNECE: claim that diesel on-road vehicles are the cause of increased lung cancer is misleading

Green Car Congress

A discussion paper published by the United Nations Economic Commission for Europe (UNECE) asserts “ with a high degree of reliability that it is misleading to claim that people’s exposure to diesel engines of road motor vehicles is the cause of increased risk of lung cancer. ”. —“Diesel Engines Exhausts: Myths and Realities”.

Diesel 247
article thumbnail

Honda R&D team uses gasoline-diesel dual fuel method for high thermal efficiency at low loads

Green Car Congress

A team from Honda R&D in Japan reports using a gasoline-diesel dual-fuel method to control ignition timing and combustion duration. Premixed charge compression ignition technology for diesel engines has been attracting increasing interest in recent years because of its ability to reduce nitrogen oxide emissions. Kuzuoka, K.,

Gasoline 150
article thumbnail

Toyota unveils new diesels with advanced thermal insulation combustion; 15% more fuel efficient, 25% more torque; 44% thermal efficiency

Green Car Congress

liter 1GD-FTV direct-injection turbo diesel engine. The new GD engines feature Toyota’s next-generation advanced thermal insulation diesel combustion to reduce cooling loss significantly. Toyota will gradually phase out the current globally deployed KD diesel engines and replace them with GD engines. Click to enlarge.

Diesel 150
article thumbnail

SwRI launches Particle Sensor Performance and Durability consortium

Green Car Congress

Southwest Research Institute (SwRI) has launched a cooperative research consortium—the Particle Sensor Performance and Durability (PSPD) consortium—to investigate the performance and durability of particle sensors designed for onboard diagnostics and diesel engine emissions control.

article thumbnail

UW-Madison engineer collaborating with entrepreneur on 6-cycle, external combustion engine; could be up to 30% more efficient than standard diesel

Green Car Congress

The K6 engine uses six strokes instead of four to reduce the pressure of exhaust gases, which allows it to harvest more energy rather than expelling it with the gas. Shedd said the engine could be up to about 30% more efficient than a standard diesel engine, depending on the engine load and speed. —Timothy Shedd.

Engine 186
article thumbnail

Global truck manufacturers call for progress in regulatory harmonization to aid reductions in fuel consumption

Green Car Congress

Heavy-duty engine and vehicle manufacturers are making clear progress in exhaust emission reductions and fuel efficiency improvements with sustained efforts. Harmonization of diesel fuel specifications and regulations.

Global 150