提出了一种确定农用运输车燃油经济性的实用方法，并得到道路试验的验证。
A practical method to calculate fuel economy of agricultural transporter is put forward. And it is supported with road test.
试验表明，采用这一控制系统后，燃油经济性在大部分工况区均有较大改善。
Experiments show that the fuel economy is improved in most operating region while this control system has been used.
发动机台架试验表明：加入此种添加剂后对各种汽油的燃油经济性有大幅改善作用，对乙醇汽油的效果尤甚。
The results showed that when the engine runs on the fuel with the bio-additive, the fuel economy was improved effectively, especially to the ethanol-gasoline.
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