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According to chemical engineer Benjamin Glasser, scientists have found a way to make the process of deriving liquid gasoline from coal cleaner. By that, we mean it emits less carbon dioxide, a greenhouse gas. [---1---]

Benjamin Glasser: [---2---]

Glasser, who spoke with EarthSky from his office at Rutgers University, said that, in his research on the process, he's been able to pinpoint the least amount of carbon dioxide able to be produced from the process.

Benjamin Glasser: [---3---]

Critics say making the process more efficient will discourage the development of sustainable energy alternatives — solar energy, for example. [---4---]

Benjamin Glasser: [---5---]

Glasser added that countries like China still rely on coal as an energy source.

Benjamin Glasser: What we say is, if it's going to be done, let's do it in the most efficient possible way.

E&S is a clear voice for science.

【視聽版科學小組榮譽出品】
He said the basic idea behind the process is to combine coal with water. So one of the problems with current technology is that the process is very inefficient. But, the other thing we've done is we've shown a way to get closer to that minimum by changing the reaction chemistry. But Glasser said his findings could be applied to potential biofuels like our own kitchen waste. While we looked at coal as the simplest case, our work really does translate into renewable sources.