- Macau country data
- Macedonia country data
- Madagascar country data
- Maine
- Maintenance expenses, electric – (investor-owned utilities)
- Major coal consumer (manufacturers and coke plants)
- Major coal mines (U.S. & state)
- Major coal producers (company)
- Malawi country data
- Malaysia
- Maldives country data
- Mali country data
- Malta country data
- Manufacturing Energy Consumption Survey (MECS) (manufacturing establishment energy use, expenditures, fuel switching; includes U.S. & Census region)
- Maps
- Marcellus oil and gas production
- Market Centers, Natural Gas (Census Division & State)
- Markets Review (discussions of crude oil, petroleum products, and natural gas markets)
- Marketed production of natural gas
- Maryland
- Martinique country data
- Massachusetts
- Mauritania country data
- Mauritius country data
- MECS (see Manufacturing Energy Consumption Survey)
- Media-directed information
- MER (Monthly Energy Review)
- Metallurgical coal exports (by country of destination)
- Methane Emissions
- Methyl Tertiary Butyl Ether (see MTBE)
- Metric
conversion factors
- Barrels of crude oil per metric ton (all countries)
- Mexico
- Mexico, Gulf of fact sheet
- Michigan
- Microwave ovens
- Middle East & North Africa energy data
- Miles driven per vehicle
- Miles per gallon
- Minnesota
- Mississippi
- Missouri
- Model documentation reports
- Moldova
- Mongolia country data
- Montana
- Montenegro country data
- Montserrat country data
- Monthly Biodiesel Production (report)
- Monthly Densified Biomass Fuel Report
- Monthly Energy Review
- Monthly production - oil (petroleum)
- Monthly production - natural gas
- Monthly production - coal
- Monthly production - electricity
- Monthly/quarterly imports - oil (etroleum)
- Monthly/quarterly imports - natural gas
- Monthly/quarterly imports - coal
- Imports - electricity (annual only)
- Monthly/quarterly exports - oil (petroleum)
- Monthly/quarterly exports - natural gas
- Monthly/quarterly exports - coal
- Imports - electricity (annual only)
- Morocco
- Motor fuel taxes (U.S. & state)
- Motor gasoline (see Gasoline)
- Motor Vehicles , Number of
- Movements of petroleum (PADD)
- Mozambique
- MTBE (methyl tertiary butyl ether) (U.S. & PADD)
- Municipal solid waste