Ideal to fill in the gap to Spain. According to J. Noble and some 'leading figures' - http://www.autosport.com/news/report.php/id/113705
Summary:
2015
Tyre blanket ban
Fuel system simplification
Brake duct simplification
Front wing simplification
Gearbox usage flow brought in line with engine life
Increase in curfew
Ban on front and rear interconnected suspension
2016
Standard front impact structure
Standard rear impact structure
Standard final drive system
Standard steering rack
2017
FIA standard active suspension
Move to 18-inch wheel rims