The Renault group said today (30 July) it had posted significant improvements in earnings and sales for the first half of the year: revenues totaled EUR19.668bn (US$25.6bn), up 23.1% on the first half of 2009, while worldwide sales grew 21.7% and the group's share of the global passenger car and LCV market reached 3.8%, an increase of 0.15% year on year.