Good example of how the evolution of a Technology (Macro External Environment) can influence an entire industry. It is also useful to note that this Technology was development by European Funds (Regulatory Macro External Environmental factor) due to Environmental and Socio-Cultural trends.
'Road trains' get ready to roll
Road trains that link vehicles together using wireless sensors could soon be on European roads.
An EU-financed research project is looking at inexpensive ways of getting vehicles to travel in a 'platoon' on Europe's motorways.
Each road train could include up to eight separate vehicles - cars, buses and trucks will be mixed in each one.
Read the whole article at: http://news.bbc.co.uk/1/hi/technology/8349923.stm