29990 - Petroleum & Coal products (General)
2999015 - - Packaged fuel & Fuel briquettes, except wood charcoal briquettes
2999020 - - Microcrystalline petroleum waxes, not made in a refinery
2999030 - - Crystalline petroleum waxes, not made in a refinery
2999091 - - Calcined petroleum coke
2999093 - - Petroleum pitch
2999098 - - Petroleum & Coal products (General)
2999099 - - Other Petroleum & Coal products (General)
2999XX0 - - Petroleum & Coal products (Miscellaneous - Volume)
2999XX2 - - Petroleum & Coal products (Miscellaneous - Speciality)