The hypothesis defined for this study are:
1. Internal and external pressure on truck fleets has a positive effect on carrying out logistics environmental management,
2. Internal and external pressure on truck fleets has a positive effect on carrying out low-carbon storage and packaging,
3. Internal and external pressure on truck fleets has a positive effect on carrying out low-carbon transportation,
4. Internal and external pressure on truck fleets has a positive effect on improving fleet management,
5. Internal and external pressure on truck fleets has a positive effect on using alternative energy in logistics processes, and
6. Internal and external pressure on truck fleets has a positive effect on promoting logistics innovation