article thumbnail

The importance of considering non-exhaust traffic emissions; the role of EVs

Green Car Congress

the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. However, there is more than 15 years of research showing that the contribution of non-exhaust primary particles to the total traffic generated primary particles is significant in urban areas. Further, a 2013 review by Denier van der Gon et al. Background.

Exhaust 150
article thumbnail

BMW introduces i7 Protection; first production electric protection model

Green Car Congress

BMW has unveiled two new protection models developed on the basis of the new BMW 7 Series, including an all-electric version. As the first protection sedan with an all-electric drive system, the BMW i7 Protection (electric power consumption combined in WLTP cycle: 30.0 kWh/100 km, provisional figure) is a genuine trailblazer.

BMW 370
article thumbnail

Enogia and IFPEN partner on waste heat recovery in stationary and transport applications

Green Car Congress

Start-up Enogia and IFP Energies nouvelles (IFPEN) are forming a strategic partnership for the joint development and marketing of a range of Rankine technologies to convert heat into electricity. The innovation is based on the use of highly efficient micro-turbines capable of producing 5 to 100 kW of electricity.

Waste 239
article thumbnail

BMW Technology Day 2009: Focus on Aerodynamics, Two New Engines and 8-Speed Transmission

Green Car Congress

For its Technology Day 2009 in Germany, BMW focused on describing its work with aerodyanmics, engines and transmissions in the context of its EfficientDyanmics development strategy. liter gasoline unit combining turbocharging, direct fuel injection and VALVETRONIC fully-variable valve management; a new 3.0-liter Click to enlarge.

BMW 199
article thumbnail

EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

Green Car Congress

Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% Turbochargers work by using a turbine driven off the exhaust gas to pressurize the intake air. The octane rating of gasoline is an indicator of its resistance to spontaneous combustion. of the market.

article thumbnail

BMW provides an update on waste heat recovery projects; Turbosteamer and the Thermoelectric Generator

Green Car Congress

with technologies such as direct fuel injection, variable valve timing, exhaust-driven turbochargers, brake energy regeneration and Auto Start Stop function—about 60% of the generated energy is still lost, half of it being exhaust heat, with the remaining half as heat absorbed by the engine cooling system. —Jürgen Ringler.

Waste 376
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. This is due to raw, externally premixed fresh charge comprising air, fuel and lube oil being short-circuited into the exhaust during the scavenging process. Oh and Plante. Click to enlarge. g/kWh with a 3.3%

Engine 329