Glossary of Energy Terms

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Abandonment
Access charge
Acid rain
Acquisition costs, mineral rights
Acreage
Active heating system
Active solar
Adjusted electricity
Adjustment bid
Afforestation
After-market
Agglomerating character
Aggregator
Air conditioning
Air conditioning intensity
Air pollution abatement equipment
Alcohol
Alkylation
Alternating current (AC)
Alternative fuel
Alternative-fuel vehicle (AFV)
Amorphous silicon
Ampere
Anthracite
Anthropogenic
API
API gravity
Apparent consumption, petroleum
Appliance efficiency index
Appliance efficiency standards
Aromatics
Ash
Asphalt
Associated-dissolved natural gas
Atmospheric crude oil distillation
Auger mine
Auxiliary generator
Average delivered price
Average household energy expenditures
Average vehicle fuel consumption
Aviation gasoline (finished)
Aviation gasoline blending components