Boulogne-Billancourt, FRANCE, 2015-10-23 — /EPR Retail News/ — On 21 and 22 October 2015, Carrefour France will be staging the first Innovation and Energy Fair with the support of the Nicolas Hulot Foundation. The B2B event will bring together more than 50 eco-companies from both France and overseas, the aim being to share energy efficiency solutions…