In brief, March 2014

* Frédéric Makowiecki has joined Porsche’s roster of factory GT drivers for 2014. The Frenchman, who raced for Aston Martin in the World Endurance Championship and for Honda in Super GT last year, will drive for Porsche in the WEC with the factory Manthey team in the coming season.

* Veteran British team owner Mike Earle has revived the Onyx name for his latest touring car project. Onyx, which raced in F1 in 1989 and 1990 after successes in Formula 2 and F3000, will contest the 2014 World Touring Car Championship with an unspecified car. Earle’s previous team ran Ford Focuses in the series in 2009-11.