Business & Economics
Life Cycle Inventory
100%
Petroleum
70%
Life Cycle
62%
Inventory Model
58%
Global Warming
32%
Regional Differences
31%
Refinery
31%
Crude Oil Extraction
30%
Crude Oil
29%
Environmental Impact
26%
United States of America
23%
Geographical Variation
22%
System Boundary
21%
Oil
21%
Diesel Fuel
20%
Regional Effects
19%
Life Cycle Assessment
18%
Complex Systems
14%
Data Sources
14%
Energy Consumption
13%
Roads
12%
Energy
11%
Industry
5%
Earth & Environmental Sciences
life cycle
47%
petroleum
44%
product
28%
crude oil
26%
asphalt
22%
refinery
19%
allocation
16%
global warming
16%
environmental impact
15%
trucking
14%
oil refining
13%
flaring
12%
oil extraction
12%
study application
12%
material
11%
geographical variation
11%
diesel fuel
11%
energy consumption
8%
road
6%
effect
6%
industry
5%
oil
5%
energy
4%
Engineering & Materials Science
Petroleum products
79%
Life cycle
50%
Crude oil
33%
Global warming
21%
Environmental impact
18%
Oils
12%
Asphalt mixtures
11%
Diesel fuels
10%
Asphalt
9%
Refining
9%
Binders
8%
Large scale systems
8%
Energy utilization
6%
Industry
4%