The Trump administration eliminated a key finding that underpinned limits on planet-heating pollution from cars and power plants, according to The Verge. Meanwhile, OpenAI released its first production AI model to run on non-Nvidia hardware, deploying the new GPT-5.3-Codex-Spark coding model on chips from Cerebras, as reported by Ars Technica. Also, Nvidia researchers developed a technique to reduce the memory costs of large language model reasoning by up to eight times, according to VentureBeat. Finally, Europe's Ariane 6 rocket launched for the first time Thursday, hauling 32 spacecraft to low-Earth orbit for Amazon's satellite broadband constellation, as reported by Ars Technica.
The Environmental Protection Agency's repeal of the key finding regarding pollution regulations was reported by The Verge. The Ariane 6 rocket, using its full complement of four boosters, generated more than 3.4 million pounds of thrust during its launch from the Guiana Space Center on the northeastern coast of South America. OpenAI's new coding model, GPT-5.3-Codex-Spark, delivers code at more than 1,000 tokens per second, approximately 15 times faster than its predecessor, according to Ars Technica. Nvidia's new technique, called dynamic memory sparsification (DMS), compresses the key value (KV) cache, the temporary memory LLMs generate and store as they process prompts and reason through problems and documents.
The launch of the Ariane 6 rocket marks a significant step for Amazon's satellite broadband constellation. The rocket's hydrogen-fueled main engine and solid rocket boosters propelled it into the clear sky. The OpenAI model's deployment on Cerebras chips represents a move away from reliance on Nvidia hardware. "Cerebras has been a great engineering partner, and were excited about adding fast inference as a new platform capability," said Sachin Katti, head of AI at OpenAI, according to Ars Technica.
Nvidia's DMS technique aims to improve the efficiency of large language models. Experiments show that DMS enables LLMs to "think" longer and explore more solutions without the same memory constraints, according to VentureBeat. The repeal of the EPA finding by the Trump administration could have significant implications for environmental regulations.
In other news, according to MIT Technology Review, electric vehicles are gaining ground in Africa. A recent study in Nature Energy found that EVs from scooters to minibuses could be cheaper to own than gas-powered vehicles in Africa by 2040. However, the technology still faces major challenges in some markets, including limited grid and charging infrastructure.
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