ONCE again, Scots could be showing the way ahead for the rest of the world.

Inventors Caroline Jones Carrick and her father Will Jones are hoping to collaborate with a number of universities, including Edinburgh's Napier, to develop a radical green transport concept which would see cars run on electrified highways.

Ms Jones Carrick is correct when she says Scotland has an impressive history of creative transport development.

Tracked electric vehicles seem like a natural progression: the macadamised roads we know today owe their existence to Ayr's John Loudon McAdam.

Of course, Scots have long been pioneers in the field of green transport - the boom in popularity of the humble bicycle is often credited to Dumfries and Galloway's Kirkpatrick Macmillan, who is widely regarded as having invented pedal power. To that can be added the competing claims of Stonehaven's Robert William Thomson and John Boyd Dunlop of Ayrshire to have developed the pneumatic tyre.

The road to progress has long been smoothed by Scottish innovation. We wish this latest venture every success.