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The 1996 Japanese-market Mitsubishi Galant was the first mass-produced car to use a GDI engine, when a GDI version of the Mitsubishi 4G93 inline-four engine was introduced. [52] [53] It was subsequently brought to Europe in 1997 in the Carisma. [54] It also developed the first six-cylinder GDI engine, the Mitsubishi 6G74 V6 engine, in 1997. [55]
The first four-stroke direct-injection petrol engine for a passenger car was released the following year, in the Mercedes-Benz 300SL sports car. [41] However the engine suffered lubrication problems due to petrol diluting the engine oil, [42] [43] and subsequent Mercedes-Benz engines switched to a manifold injection design. Likewise, most ...
The fuel efficiency and working principle of a PPC engine resemble those of Diesel engine, but the PPC engine can be run with a variety of fuels. Also, the partially premixed charge burns clean. [6] Challenges with using gasoline in a PPC engine arise due to the low lubricity of gasoline and the low cetane value of gasoline.
The most efficient cycle is the Atkinson Cycle, but most gasoline engine makers use the Otto Cycle for higher power and torque. Some engine design, such as Mazda's Skyactiv-G and some hybrid engines designed by Toyota utilize the Atkinson and Otto cycles together with an electric motor/generator and a traction storage battery.
The exhaust has dual effects on HCCI combustion. It dilutes the fresh charge, delaying ignition and reducing the chemical energy and engine output. Hot combustion products conversely increase gas temperature in the cylinder and advance ignition. Control of combustion timing HCCI engines using EGR has been shown experimentally. [13]
The Jevons paradox is sometimes used to argue that energy conservation efforts are futile, for example, that more efficient use of oil will lead to increased demand, and will not slow the arrival or the effects of peak oil. This argument is usually presented as a reason not to enact environmental policies or pursue fuel efficiency (e.g., if ...
Oil and gas producers must confront a “pivotal” choice: continue to accelerate the climate crisis or become part of the solution, the International Energy Agency said in a report Thursday.
The Smartstream G1.0 T-GDI is a turbocharged inline 3-cylinder engine with gasoline direct injection (GDi); the engine makes 120 PS (118 hp; 88 kW) at 6,000 rpm and 17.5 kg⋅m (127 lb⋅ft; 172 N⋅m) of torque between 1,500 and 4,000 rpm. A detuned version with 100 PS (99 hp; 74 kW) between 4,500 and 6,000 rpm is also available for some ...