California to phase out gas stoves and water heaters by 2030 • The Register

First it came for internal combustion engines, and now the California Air Resources Board (CARB) is proposing a phase-out of water heaters and furnaces using natural gas – another first among US states.

The ban would require all new water and space heaters (stoves – not portable electric units) sold after 2030 to meet zero emissions standards. The rule covers new construction and replacement of old/broken units, the board said in its State implementation plan [SIP – PDF]what was approved unanimously last week. Gas stoves are not included in CARB’s proposal.

According to SIP, space and water heating are responsible for nearly 90 percent of building-related greenhouse gas (GHG) emissions in California, while buildings in general account for about 25 percent of the state’s total GHG emissions.

If implemented, the SIP said zero-emission space and hot water heating would result in a 13.55 tonnes per day (tpd) reduction in nitrogen oxides (NOx) by 2037. If the ban were extended to include cooking, laundry drying and other residential uses of natural gas, that reduction could increase to 19.96 tpd, CARB said.

When fully implemented, CARB said its 2022 SIP could result in a reduction of more than 200 tpd NOx and 40 tpd fewer reactive organic gases nationwide by 2027.

Covering much more, the SIP is the key planning document for the year’s effort to meet the Environmental Protection Agency’s federal plans to meet ground-level ozone (smog) levels. normswhich state that states must meet a standard of 70 parts per million exposure over an eight-hour day.

“We must do what we can to meet our public health commitments to protect public health from the adverse effects of air pollution, and this strategy shows how we can do just that,” said Liane Randolph, Chair of CARB.

Other greenhouse gas mitigation plans addressed in the SIP include plans to increase zero-emission vehicle (ZEV) penetration by targeting ride-sharing services, zero-emission requirements for commercial fleets, and a requirement to replace obsolete commercial vehicles with the use of ZEVs stricter emission standards for off-road sources and plans to regulate all elements of federally or internationally regulated GHG emission sources “within our authority”.

We can’t do it alone, says CA

California, whose planned Phasing out vehicles with internal combustion engines showed up quickly are not supported by its current power grid, is taking another bold step by adding more power-consuming devices to its power infrastructure over the same period. This time around, the state appears to be aware that it may not necessarily be able to meet its targets without state support, with CARB acknowledging that the federal government’s target of 70 ppm/8 hours will be difficult to achieve.

In discussing its plans to try to regulate interstate and international sources of greenhouse gases, California said it plans to petition the EPA asking the government to take action of its own to reduce emissions.

“Actions needed at the federal and international levels include setting more stringent engine standards, calling for zero-emissions technologies where possible, and potential requirements that, given the severity of our achievement challenges, call for only the cleanest ships and airplanes.” visiting California,” CARB said in the SIP.

However, the SIP is not enforceable – it is a planning document that will help CARB actually enact regulations that meet the goals it has set out. In the case of the proposed rules for stoves and water heaters, CARB researchers and regulators have until 2025 to present the board with a rulebook for it to vote on, or a full explanation of why no rules would be better. ® California to phase out gas stoves and water heaters by 2030 • The Register

Laura Coffey

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