On fuel economy affects a variety of factors: it features an engine and transmission, mass and loading the car body aerodynamics, rolling resistance, timely maintenance, road condition, and, finally, the manner of driving. When driving in urban environments with relatively low-speed rolling resistance is more important for fuel economy than the aerodynamic drag. The magnitude of rolling resistance mainly depends on the construction of the tire carcass. By its technical characteristics of radial ply tires far exceed the tire with bias ply: they not only reduce rolling resistance by about 50%, but also improve traction on wet or snowy roads, plus they are more durable?
When cold starting the vehicle friction in the engine and power transmission is very high, which significantly affects the performance of fuel economy compared with typical for start-up fully warmed-up car. In a new or newly renovated car friction losses in the engine can be quite large. As the fitting of parts friction is gradually reduced. Good technical condition and proper adjustment of the car is the key to the normal consumption of fuel. So, for example, incorrect installation of ignition timing increases the fuel consumption by 15%!
With respect to maintenance, there is, first and foremost, you must promptly change the air filter. It is known that the shortage of air for cooking oil / air mixture is spent much more gasoline. Also you should regularly check tire pressure - under-inflation adversely affects fuel consumption (in order to get adequate performance, it should be done on cold tires). Timely replacement of engine oil reduces engine wear and reduces energy consumption. In the interest of better flood the engine light synthetic or semi-synthetic motor oil with low viscosity. Compared with mineral oils that have a higher viscosity of such oils somewhat reduces fuel consumption and facilitate engine start.
If you have a foreign car with air suspension, we recommend choosing the lowest position - with a low resistance to clearance of the car will be lower. Regarding the transmission: the optimal regime is riding on the maximum transmission with the minimum possible for her speed. The most cost-effective range of the engine is in the range from 1500 to 2000 rpm. Gear ratio manual - a very significant factor affecting the fuel consumption and engine wear as well as mechanical work, engine and its resources are not determined by the vehicle's mileage, and the total number of revolutions of the crankshaft. Therefore, the motion for reduction gearing increases fuel consumption and engine wear at one and the same mileage.
As additional options that increase the comfort level, then at work radio, air conditioner or even more sophisticated climate-control fuel consumption increases by approximately 15%. In summer open windows can be a good alternative to air conditioning, but one should bear in mind that when driving at high speed lowered glass negative impact on the aerodynamics and thus fuel consumption. Also detrimental to the flow effect included lights, heating glasses and loud music (especially if you have installed subwoofers and additional amplifiers). The Council is only one - try seldom include consumer surplus power, which creates additional load on the generator and as a consequence, the engine burns more fuel .
Car lovers do not know firsthand what a neat way of driving, with smooth starting in place and the same inhibition, can save a lot. Also, riding at a constant speed reduces the load on the nodes of a car. If a stop takes longer than 30 seconds, the engine is better drown. The machine with the load consumes more fuel, so do not carry any with them unnecessary things. Installed on a roof rack increases the aerodynamic drag, so if there is no continuing need, it is better to dismantle.
When planning long trips, do not forget about the seasonal factor. Most drivers are well aware that summer fuel consumption is much lower than in the cold season. Characteristics of road surface - very important factor. When driving on gravel or sand, as well as wet and snowy roads of petrol above. Environmental conditions also affect fuel economy, ranging from the influence of temperature on the hysteretic losses in the tires , friction in the engine, the desired composition of the fuel mixture and ending with the influence of humidity on the process of burning fuel mixture.
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