British Airways has begun to review a practice of its airplanes carrying extra fuel to save money at destination ports after an investigation found that protocol contributed to higher carbon dioxide emissions. {"preview_thumbnail":"https://cdn.flowplayer.com/6684a05f-6468-4ecd-87d5-a748773282a3/i/v-i-2…","video_id":"2f074372-b3fa-4f9f-8191-57992d2241ce","player_id":"8ca46225-42a2-4245-9c20-7850ae937431","provider":"flowplayer","video":"10 Highest Average Cappuccino Prices Around the World"} The practice of "fuel tankering" saved money by avoiding higher prices at other ports, but drove up carbon dioxide emissions by 18,000 tons last year, a BBC investigation reported. Cost ...