45According to the passage, which of the following statements is true?
(A)After 2080, all appliances and vehicles will not use traditional energy.
(B)Nuclear energy will probably become one of the alternative fuels in our future.
(C)Scientists＇ efforts to solve energy problems did not prove successful until 1999.
(D) Fossil is a kind of solar energy that generates electricity and causes no pollution.

Many of us have come to expect the traditional and reliable sources of energy will be available forever. But, what is the source of all this energy that we have used so carelessly粗心？ 

In most of the world, energy is created by burning fossil fuel— coal, natural gas, and oil. However, there is a problem. These resources are finite. And, at our current rate of use, by the year 2080, the world＇s supply of oil will almost be gone. Afterwards過後, the day will probably come when we will not have enough gasoline for our cars or electricity for our appliances. The three most commonly propose建議；提議solutions to this worldwide problem are increasing the efficiency效率 of appliances裝置，器械、家電 and vehicles, improving conservation（對動植物、自然地區、歷史建築等的）保育, （對自然資源等的） 保護 efforts氣力, and finding alternative energy sources.

Manufacturer製造商 have been working on the first solution for three decades. However, the overall consumption使用, 消耗 of appliances and vehicles continues to rise. The second solution is to improve our conservation（對動植物、自然地區、歷史建築等的）保育, （對自然資源等的） 保護 like installing high-efficiency light bulbs in our homes, offices, and schools, and remember to turn off the lights in locations that we do not intend打算 to use. Unfortunately, such strategies are only temporary solutions. Currently, the leading alternatives to fossil fuels are fusion融合物 and solar energy. The former is a nuclear reaction that results in a massive release of energy and is practically pollution-free. The latter can be utilized利用 to heat water and buildings and to generate electricity and also purify fuels for automobiles.