Keyphrases
Cost-effectiveness
100%
Locomotive
100%
Railroad
100%
Fuel Spills
100%
Refueling System
100%
Spill Prevention
100%
Spillage
60%
Refueling
40%
North America
40%
Waste Treatment
40%
Treatment Costs
40%
Collection System
20%
Pollution Control
20%
Energy Cost
20%
Spill
20%
Technology-based
20%
Environmental Protection
20%
Cost-benefit Analysis
20%
Transportation Technology
20%
Interface Standards
20%
Pollution Prevention
20%
Environmental Cost
20%
Nonproprietary
20%
Technological Fields
20%
Containment System
20%
Earth and Planetary Sciences
Spillage
100%
Refueling
66%
Waste Collection
66%
Waste Treatment
66%
Pollution Control
33%
Environmental Cost
33%
Environmental Protection
33%
Pollution Prevention
33%
Transportation Technology
33%
Engineering
American Railroad
100%
Hazardous Materials Spills
100%
Waste Treatment
66%
Energy Engineering
33%
Environmental Protection
33%
Cost-Benefit Analysis
33%
Containment Structure
33%
Pollution Control
33%
Agricultural and Biological Sciences
Americans
100%
Equipment
66%
Waste Treatment
66%
Environmental Protection
33%
Pollution Control
33%