 This is important not only for mitigating economic costs within a company, but also for reducing the emissions associated to fuel consumption , mainly when the vehicles have petrol or diesel engines .
<clarity>  This is important not only for mitigating economic costs within a company, but also for reducing the emissions associated to fuel consumption , mainly when the vehicles have petrol or diesel engines .
 This mitigates economic costs while reducing emissions associated to fuel consumption , mainly when the vehicles have petrol or diesel engines .