Besides different 5 of gas, we can also use electricity to run our cars but first we must make the electricity! Some countries have coal and they make electricity with that, but we might not always have coal, either. Other countries have big, strong rivers and they can use the 6 of ...
1. B. cars that do not use gas 这篇文章主要介绍了不使用汽油的汽车,即电动汽车。 2. A. make the air dirty 汽油车排放尾气污染空气,对生物有害。 3. B. Electric cars use batteries. 电动汽车使用电池驱动是文章中提到的客观事实。 4. B. People need cars. 人们是否需要汽车是一个观点,不同的人...
The international community must act immediately to ensure that all countries reduce the consumption of fossil fuels (e.g. gas and oil). To what extent do you agree or disagree? Give reasons for your answer and include any relevant examples from your own knowledge or experience. Write at leas...
Falling between regular and premium, midgrade gas may also be called plus or special. While few cars call for midgrade gas, switching to midgrade gas could help if you are experiencing engine knocking or pinging with regular unleaded gas. Though midgrade has a few more additives than regular...
aBesides different types of gas, we can also use electricity (电) to run our cars, but first we must make the electricity! Some countries have coal and they make electricity with that, but we might not always have coal, either. Other countries have big, strong rivers, and they can use...
aboiler kotao 锅炉kotao[translate] aOthers have different opinions.they think that cars give off waste gas and pollute the environment. 其他安排另外opinions.they认为汽车释放废气并且污染环境。[translate]
pollution is the gas from cars. Statistics (统计资料) show that 93 percent of all auto trips are within cities. Another major kind of dirty air is the burning of coal and oil for energy. This energy is needed to make electricity. Of course, much more electricity is used in the city ...
nothing much to worry about and is linked with the balance of combustion controlled by the ECU. A darker visible exhaust gas is due to anoverly-rich fuel mixture, created when the air/fuel ratio descends below the optimum Stoichiometric ratio (14.7:1 in a petrol engine, 14.5:1 for diesel...
Using super leaded or gas oil in a warmed-up engine (without a catalytic converter), the amount of formalde hyde also increased, although that of the other compounds did not change much. Diesel cars emitted the lowest levels of carbonyl compounds. However, all vehicles can contribute to an ...
1. Bad for Environment The biggest drawback to using gasoline is how much pollution is created. Each year, the United States releases 1.7 billion tons of CO2 into the atmosphere just because of gas-powered vehicles. CO2 has a devastating impact on the environment. It has been linked to crea...