Homogeneous charge compression ignition (HCCI) is a form of internal combustion in which well-mixed fuel and oxidizer (typically air) are compressed to...

fuels Gasoline direct injection Gas turbine Heat pump Homogeneous charge compression ignition (HCCI) Hybrid vehicle Indirect injection Jet engine Magnesium...

traditionally the compression stroke, the charge is partially expelled back out through the still-open intake valve. Typically, this loss of charge air would...

homogeneous charge: a homogeneous mixture of air and fuel, which is ignited by a spark plug at a predetermined moment near the top of the compression...

have no fuel tanks and replenish their energy storage by plugging into a charging station, electrical grid or getting a new battery at a battery swap station...

engine in which ignition of diesel fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel...

potential for high thermodynamic efficiency makes it ideal for diesel compression ignition engines operating in large, weight-insensitive applications, such...

Torino 2008, GM Powertrain Europe announced the ignition-less HCCI (Homogeneous Charge Compression Ignition) mode of the direct injection version of 2.2...

to operate at higher compression ratios. If a petrol engine were to have the same compression ratio, then knocking (self-ignition) would occur and this...

Skyactiv-X is the first commercial petrol engine to use homogeneous charge compression ignition (HCCI), in which the fuel-air mixture ignites spontaneously...

Vapour-compression refrigeration or vapor-compression refrigeration system (VCRS), in which the refrigerant undergoes phase changes, is one of the many...

transmission DeAct: Cylinder deactivation dHCCI: Diesel homogeneous charge compression ignition DMV: California Department of Motor Vehicles DOHC: Dual...

in their Milburn Electrics, which covered 60–70 miles (100–110  km) per charge. Most producers of passenger cars opted for gasoline cars in the first decade...

in two ways: either a spark-ignition (SI) engine, where the spark plug initiates the combustion; or a compression-ignition (CI) engine, where the air within...

preignition (or "knocking") if compression ratio is increased, but improvements such as laser ignition or microwave enhanced ignition might help prevent knocking...

competing to gain the world's attention. Key developments included electric ignition and the electric self-starter (both by Charles Kettering, for the Cadillac...

self-ignition temperature. There are several ways to do this. As engines are designed with higher compression ratios the result is that pre-ignition is...

fires and a thermal imaging camera is recommended to warn of possible re-ignition of battery fires. As of 2018[update], most electric cars have similar driving...

with its compression ignition cannot be used in a practical Wankel engine. Therefore, Wankel engines typically have a high-voltage spark ignition system...

thermodynamic cycle that describes the functioning of a typical spark ignition piston engine. It is the thermodynamic cycle most commonly found in automobile...

is a German word meaning "tax", "charge", or "scale of charges". The Medieval Latin word taxa also means tax or charge. Taxi may ultimately be attributed...

Fuel gas Natural gas Gasoline / petrol (direct injection) Homogeneous charge compression ignition Hybrid (plug-in) Hydrogen Internal combustion Liquid nitrogen...

the cylinder. A small piston fuel pump injects liquid during compression. The ignition source was likely a hot tube as in Atkinson's other engines. This...

also means the cars remain true to the modest spirit of the Kei class, to charge lower tax on small vehicles that are just enough to meet basic transportation...

Fuel gas Natural gas Gasoline / petrol (direct injection) Homogeneous charge compression ignition Hybrid (plug-in) Hydrogen Internal combustion Liquid nitrogen...

Fuel gas Natural gas Gasoline / petrol (direct injection) Homogeneous charge compression ignition Hybrid (plug-in) Hydrogen Internal combustion Liquid nitrogen...

Fuel gas Natural gas Gasoline / petrol (direct injection) Homogeneous charge compression ignition Hybrid (plug-in) Hydrogen Internal combustion Liquid nitrogen...

as mixture penetration with air during the ignition delay period. Another study noted that this ignition delay may aid in a decrease of NOx emission...

heat to the regenerator for use in the next cycle. Isothermal compression. The compression space and associated heat exchanger are maintained at a constant...

cycles can be classified as vapor compression, vapor absorption, gas cycle, or Stirling cycle types. The vapor-compression cycle is used by many refrigeration...