premium gasoline

基本解释

We would like to see more premium gasoline provided in the market.
我们希望市场上能提供更多的优质汽油。
dict.cn
For the recreational market they will use premium gasoline, the same as an automobile.
对于娱乐市场，他们将使用优质汽油，同样作为汽车。
dict.cn
It runs on premium unleaded gasoline, which is both cheaper and more environmentally friendly than jet fuel.
它以优质无铅汽油燃料，不仅比飞机燃料更便宜，也更环保。

According to the EPA, a motorist who drives the Volt exclusively on electric power will pay an estimated 4 cents per mile in energy costs, while one who never recharges the battery and runs the car exclusively on gasoline (with premium grade required) will pay 9 cents per mile.
FORBES: Living With A Chevrolet Volt
But those cars still command a premium over similar models that run only on gasoline.
FORBES: California To Build A $100M Electric Car Charging Network
It takes a double-size margin on premium gas, but the highest grade represents only 2% of its gasoline sales, versus 7% industrywide.
FORBES: Inconvenience