[UPDATE, October 19, 2016: GBTA Foundation’s updated car rental request for proposals template now is available. Meant to become an “industry standard,” the document includes a new section on sustainability. Car rental bidders are asked to describe sustainable development policies, environmental certifications, external audits, fleet gas mileage and commitments to help clients reduce carbon footprints. … Continue reading GBTA Sustainability Committee Prepping Assessment Tool, Car RFP Questions