51¶¯Âþs developing alternative fuels have beaten the oil industry in the
race to create lead-free aviation fuel for small private aircraft. The new fuel
is 87 per cent ethanol and was developed at the National Alternative Fuels
Laboratory at the University of North Dakota. It has been certified by the US
Federal Aviation Administration for use in two popular Cessna aircraft and is
the first lead-free fuel to pass stringent safety tests, with high enough octane
levels to prevent engine-damaging knocking in small propeller-driving engines.
Certification tests are now in progress for several other planes.
More from 51¶¯Âþ
Explore the latest news, articles and features
Health
The mysterious reason why women get hotter from age 18 to 42
51¶¯Âþ
Comment
This is the most underrated sci-fi film franchise of the 21st century
Culture
Comment
Shiver me timbers: Do we have to worry about space pirates now?
Regulars
Life
PMOS shows us why many scientific terms need to be renamed
Leader
Popular articles
Trending 51¶¯Âþ articles
1
Mystery of the ancient giant stone jars of Laos may have been solved
2
The Selfish Gene at 50: Why Dawkins’s evolution classic still holds up
3
The ‘doomsday’ glacier’s giant ice shelf is about to break away
4
We could generate hydrogen from rocks while storing CO2 in them
5
Wind-assisted cargo ships could more than halve shipping emissions
6
Solar farm on the ocean outperforms land-based solar in Taiwan
7
The distant world that is our best hope of finding alien life
8
Can we harness quantum effects to create a new kind of healthcare?
9
The hidden pockets of the universe where the future can cause the past
10
We may finally know why dinosaurs like T. rex evolved tiny arms
