Subscribe for full online access and get...
- Full, instant access to all stories
- Customised email alerts straight to your inbox
- Monthly print magazine
For the best possible experience using our website we recommend you upgrade to a newer version or another browser.
Spillage of volatile liquids like diesel can reduce the most durable asphalt to loose stone - hence the use of other materials for aircraft standings, lorry parks and the like. But this is set to change.