non-petroleum
adjective [ before noun ] (also nonpetroleum) uk/ˌnɒn.pəˈtrəʊ.li.əm/ us/ˌnɑːn.pəˈtroʊ.li.əm/
非石油的
not consisting of or involving petroleum (= a dark, thick oil obtained from under the ground)
In the future, most cars will run on non-petroleum fuel. 在未来，大部分汽车将使用非石油燃料。
The government is encouraging firms to develop non-petroleum fuel products. 政府鼓励企业开发非石油燃料产品。
- More examples
- Imports of non-petroleum goods rose again in July.
- They added a nonpetroleum fuel supplement to increase the efficiency of the engine.
- The United States does produce some nonpetroleum fuels, such as ethanol.
- Using non-petroleum sources of energy will have obvious environmental benefits.