| Air travel (5) |  |
| Air travel (5) | |
The Concordes and Tupolevs that paved the way for supersonic air travel in the 1970s now gather dust in museums.
Three percent might not seem like much but for context air travel accounts for 2 percent of worldwide carbon dioxide emissions.
If air travel continues to grow at the predicted rate, it could contribute a considerably higher proportion by 2050.
The same technology could also revolutionise air travel -although military bosses have their own goal.''We are the Air force.
air travel is going to require renewable liquid fuels because batteries and fuel cells simply aren practical. The process developed at EBI can be used to selectively upgrade alkyl methyl ketones derived from sugarcane biomass into trimer condensates with better than 95-percent yields.
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