Research suggests that 90 % of grocery trips could be made by bicycle . `` C02 is n't even the main argument , '' says Dr. Randy Rzewnicki , the project manager for CycleLogistics . Comment: Though delivery trucks account for 3 % EU of traffic , they contribute to 18 % of fatal accidents .
Research suggests that 90 % of grocery trips could be made by bicycle . Comment: Though delivery trucks account for 3 % EU of traffic , they contribute to 18 % of fatal accidents .