TravelCO2 Transport API https://travelco2.com TRAVELCO2_API_KEY

{ "vehicle": { "type": "${request.vendor_options.travelco2_vehicle_type}", "fuel": { "type": "${request.vendor_options.travelco2_fuel_type}" } }, "distance": ${request.legs[0].distance_m}, "people": ${request.passengers}, "language": "${request.vendor_options.travelco2_language}" }