The Air Pollution Control (Motor Vehicle Fuel) Regulation (2010 Ed.) determines the rules of supplying and selling of leaded petrol, motor vehicle diesel, fuel additives containing lead, motor vehicle biodiesel.

The Air Pollution Control (Fuel Restriction) Regulations (2008 Ed.) impose restriction on use of liquid fuel and solid fuel in Sha Tin fuel restriction area and on use of restricted liquid fuel in relevant plants outside Sha Tin fuel restriction area, and determines related provisions.

The Gas Safety (Gasholder Examination) Regulation (2002 Ed.) determines rules for monthly and annual examination of gasholders, and related matters.

The Gas Safety (Miscellaneous) Regulations (2019 Ed.) impose restrictions on import and manufacture of flexible gas tubing and sale, etc. of flueless gas water heaters. The Regulations also specify: requirements relating to importation, etc. of domestic gas appliance; withdrawal of approval; measures to take upon withdrawal of approval on ground mentioned in regulation; appeals to appeal board; unauthorized use of mark; alteration in composition of gas supplied; specification of rank below which public officer shall not be appointed as inspector; and exemptions.

The Gas Safety (Registration of Gas Supply Companies) Regulations (2002 Ed.) determine: only registered gas supply companies may carry on business of gas supply company (Part II); procedure of registration of gas supply companies (Part III); duties of registered gas supply companies and gas distributors (Part IV); disciplinary action and related matters (Part V); appeals (Part VI); register (Part VII); miscellaneous (Part VIII).

The Gas Safety (Registration of Gas Installers and Gas Contractors) Regulations (2015 Ed.) determine: qualification requirements for persons who may personally carry out gas installation work (Part II); procedure of registration of gas installers (Part III); duties of registered gas installers (Part IV); qualification requirements for gas contractors who may carry on business of gas contractor (Part V); procedure of registration of gas contractors (Part VI); duties of registered gas contractors (Part VII); disciplinary action and related matters (Part VIII); appeals (Part IX); register (Part X); miscellaneous (Part XI).

The Gas Safety (Installation and Use) Regulations (2012 Ed.) apply to the reinstallation of a gas fitting in any premises as they apply to the installation of a gas fitting in any premises.

The Gas Safety (Gas Quality) Regulations (2021 Ed.) determines standards of gas safety supply, including standard of pressure, standard of purity and distinctive smell. It also determines liability for violation of these regulations.

The Code of Practice for Building Energy Audit (Energy Audit Code or EAC) is issued under Part 9 of the Buildings Energy Efficiency Ordinance, Chapter 610. EAC sets out the technical guidance and details in respect of the energy audit requirements governing the central building services installation under the Ordinance. Energy audits conducted in accordance with this EAC are deemed to have satisfied the relevant requirements of the Ordinance in the technical aspects.

The Code of Practice for Energy Efficiency of Building Services Installation (Building Energy Code or BEC) is issued under Part 9 of the Buildings Energy Efficiency Ordinance, Chapter 610. BEC sets out the technical guidance and details in respect of the minimum energy efficiency requirements governing the building services installations defined in the Ordinance. Building services installations designed, installed and maintained to a design standard in accordance with this BEC are deemed to have satisfied the relevant requirements of the Ordinance in the technical aspects.