Premium gasoline, sometimes called “ultra” or “super,” usually features an octane rating of 91 to 94. Premium gas is intended for high-performance cars. There are some varieties of gasoline that feature additives to boost engine life. This is a specific fuel designation that's unrelated to...
In different countries, people use different types of energy for transportation. In a country with a lot of wind power, you might see more ___. A. gasoline cars B. diesel trucks C. electric buses D. wind-powered vehicles 相关知识点: 试题...
Two types of gasoline hybrid cars are parallel hybrid and hybrid series. A combustion engine and an electrical engine operate together in a parallel hybrid vehicle to drive the car forward. In contrast, in a hybrid series, the petrol engine either drives an electric motor that powers the vehicl...
There are many different types of transportation. Each one uses a specific kind of energy. For example, cars usually run on gasoline. Buses can use diesel or even electricity. Trains are powered by electricity or diesel as well. And bicycles are human-powered. 1. Gasoline is a kind of _...
The ventilation system of gasoline and diesel passenger cars in switch-off mode operates with the solar panels. in order to construct the system, a 12-volt battery similar to the car main battery is added to the electrical system of the vehicle and they are connected in series mode in ...
Using the hyper-chromic shift of a probe (RhB) in a region of 500-800 nm devoid of hydrocarbon disruptions, an LED spectrometer precisely measured the ethanol concentration in gasoline. Two models of calibration were demonstrated. A model based on hyper-chromic shift produced LOD, LOQ, and ...
asome advertisers have appealed to people`s desire for better fuel economy for their cars by advertising automotive proucts that improve gasoline mileage 有些登广告者喜欢人`s欲望为更好的燃料经济为他们的汽车通过给改进汽油英里的汽车proucts做广告[translate] ...
Gasoline ( 汽油 ) prices are getting higher and higher. The price makes it hard for drivers to afford the fuel ( 燃料 ). 81___ The new cars are different and they can run on many different kinds of fuels. Some of these cars are called "hybrids". One kind of these cars can run...
These vehicles have rechargeable batteries and no gasoline engine; they also have one or more electric motors. The battery pack stores the energy that runs the car, receiving its stored power from charging sessions when the vehicle is connected to the grid. The battery sends power to the car'...
compared with the cars using the original equipment manufacture (OEM) TWC.Using the new TWC,emissions of formaldehyde and BTEX were decreased,while those of other carbonyl increased.It is necessary that vehicles fueled with methanol/gasoline blends be retrofitted with a new TWC.In addition,the ...