C.can make reading and math less difficult
D.are more important than reading and math
4.In which section of the newspaper can we most probably find the passage?
A.Science. B.Health.
C.Education.
D.Travel.
B
From a small warehouse in North Salt Lake City, Utah, a littleknown company called Go Natural CNG is about to release a new home refueling system after more than two years of research.
The system, backed by technology giant Parker Hannifin Corp, will fill up quicker than some models — about one gallon an hour — and last up to 20 years, according to Go Natural CNG Chief Executive Lucas Kjar. The unit, expected by the end of the year, will use hydraulic technology to compress (压缩) the gas for vehicle use, he said. He did not say how much the unit would cost.
But Go Natural CNG may have a lot of competition. General Electric, Whirlpool and Eaton are all working on home refueling technologies expected to be launched in the next couple of years.
General Electric, which received $1.8 million from the government to develop its system, aims to release a unit that will cool natural gas to minus 50 degrees Celsius to extract
(提取) water and other contaminates before refueling. GE aims to sell the unit at $500, about a tenth of the cost of current models.
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