| Diesel engines are the combined inventions of | | | | computer-controlled injectors have a |
| two specific inventors, Rudolph Diesel and | | | | precision system actuated by solenoid or even |
| Herbert Akroyd Stuart. The internal engine is | | | | piezo-electric actuators and are used to |
| strictly from Diesel and the injection system | | | | inject diesel fuel at the correct time. This |
| is derived from Stuart. Stuart is best known | | | | high performance diesel engine is used |
| for his advances in solid injection. Solid | | | | primarily for racecars. |
| injection is derived from compressing fuel to | | | | |
| extremely high pressures by means of pumps. | | | | So why should someone buy a diesel? Diesel |
| It is then forced under pressure through | | | | fuel is denser than gasoline by 15%. The |
| injectors into the combustion chamber. | | | | diesel engine must be larger in order to put |
| Diesel's original engine injected fuel by | | | | out the same power as a gasoline engine. The |
| means of compressed air into the cylinder. | | | | size of the diesel engine has with the |
| The fuel was atomized and mixed with air and | | | | assistance of turbo charging, precise timing |
| then injected. This was "air-blast" | | | | and feed back allowed it to operate under |
| injection. The early models of diesel engines | | | | pressures impossible with gasoline engines. |
| were extremely large and heavy due to the | | | | This means a more efficient and powerful |
| large compressors needed as part of its' fuel | | | | engine. Therefore, if you want a faster, more |
| injection system. Naval diesels were so large | | | | economical and environmentally safer |
| that they needed separate engines just to | | | | automobile then choose a diesel. |
| compress the air required to power the | | | | |
| diesels. During the earlier years, the use of | | | | If you are concerned about the diesel knock |
| diesel engines with automobiles was not | | | | then a diesel rail injection system with a |
| feasible. | | | | two-stage injection system can completely rid |
| | | | your vehicle of the dreaded diesel knock. In |
| Today's diesel is a miracle of innovative | | | | the department of emissions, diesel engines |
| genius. No longer is the engine serviced by a | | | | rate very environmentally friendly since they |
| mechanical fuel pump but by ECM run fuel | | | | produce little to no carbon monoxide. The |
| pumps, which service the individual injectors | | | | higher PM10 (or particulate matter greater |
| at the proper and accurate opening times. The | | | | than or equal to 10 microns) emission occurs |
| distributor pump direct injection method was | | | | when diesels are not equipped with diesel |
| improved vastly by the Volkswagen Audi group | | | | particulate filters. The other pollutant |
| in 1989. The genie in the bottle or the ECM | | | | gases of sulfur and nitrogen oxides are |
| (the electronic control module) made the | | | | eliminated by catalytic converter. |
| injection timing, fuel measurement, exhaust | | | | |
| recirculation and turbo boost precise and | | | | The diesel is renowned for the power and |
| accurate. They provided the incentive for | | | | torque required for towing heavy loads. It is |
| diesels to be marketed to the mass market. | | | | reliable and easier on engines to start than |
| Consequently, Volkswagen began selling their | | | | gasoline engines because there is less wear |
| Mark 3 Golf TDI very successfully. European | | | | and tear due to the lower pressures. Last, a |
| automobile manufacturers build common rail | | | | diesel offers many types of effective and |
| direct injector diesel engines, a means where | | | | inexpensive fuels such as the biodiesel fuels |
| the distributor injection pump is deleted and | | | | found in vegetable oils and used vegetable |
| a high-pressure reservoir stores the fuel at | | | | oils. |
| extremely high pressures. The | | | | |