The Biden administration on Wednesday finalized one of the most significant pieces of its ambitious climate agenda: the strongest new tailpipe rules for passenger cars and trucks that will decisively push the US auto market toward electric vehicles and hybrids.
But in a concession to automakers and labor unions, the rules will be phased in more slowly than originally proposed and will give automakers more choices for how to comply.
Nearly a year ago, the Environmental Protection Agency proposed a fast ramp-up into EVs — a rule that would have ensured two-thirds of all vehicles sold were electric by the end of this decade. The EPA pumped the brakes on that plan Wednesday.
Instead of pushing automakers to sell more EVs to meet stringent pollution targets, the administration is allowing plug-in hybrids — vehicles that combine gas engines and EV-like batteries — to play a much bigger role in the electric transition.
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A £400m UK government loan to the Tropical Forests Forever Facility tightens the link between embodied carbon and real forest outcomes. Bio‑based and renewable building materials will now be judged on credible, deforestation‑free supply chains as much as on glossy lifecycle assessment or whole life carbon assessment outputs, driving wider use of environmental product declarations (EPDs), green building materials and green building products. Expect stronger traceability, circular construction strategies and end‑of‑life reuse in construction when specifying low embodied carbon materials and low carbon construction materials to cut the carbon footprint of construction and support the circular economy in construction.
Updated damp and mould guidance from the Chartered Institute of Building and the Chartered Institute of Housing reframes indoor environmental quality as a health obligation, pressing social landlords towards whole‑house ventilation, insulation upgrades and continuous monitoring. The shift embeds sustainable building design and energy‑efficient buildings as compliance issues, with implications for life cycle cost, building lifecycle performance and net zero whole life carbon pathways recognised by BREEAM and BREEAM v7.
A new retrofit procurement guide uses public spending to expand capacity, create local jobs and tackle skills shortages by baking training and labour targets into contracts. This gives sustainable construction and decarbonising the built environment delivery teeth, promoting life cycle thinking in construction, resource efficiency in construction and eco‑design for buildings, alongside sustainable material specification and low carbon building upgrades that support carbon neutral construction.
Escalating climate risks—from European wildfires to transboundary smoke and cascading Himalayan floods—are accelerating environmental sustainability in construction and sustainable urban development. Design for resilience is becoming core to net zero carbon buildings and green construction, with fire‑hardening, smoke filtration, heat‑safe interiors and green infrastructure specified to reduce the environmental impact of construction, deliver carbon footprint reduction over whole life carbon and strengthen eco‑friendly construction and sustainable architecture.
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