整理：每日科技要闻速递（7月4日）

New Energy Vehicles - The "Big and Beautiful" bill will terminate the U.S. electric vehicle tax credit on September 30 [2] - Xiaopeng G7 achieved over 10,000 pre-orders within 9 minutes of its launch, totaling 195,800 units [2] - Tesla's new car sales in Germany dropped by 60% year-on-year in June, amounting to 1,860 vehicles [2] - Chinese Robotaxi company Pony.ai has initiated road testing in Luxembourg [2] - Xiaopeng Motors anticipates mass production and delivery of its flying car "Land Carrier" by 2026 [2] Integrated Circuits (Chips) - The U.S. has lifted export restrictions on three major chip design software suppliers to China [2] - Samsung's chip factory in the U.S. faces delays due to a lack of customers [2] - The first chip-level post-quantum cryptography card has been developed in China [2] Other Developments - Yushu Technology is expected to launch an IPO on the Sci-Tech Innovation Board [2] - The successful launch of the experimental satellite "28th B Star 01" [2] - The EU plans to release guidelines on artificial intelligence regulations by the end of the year [2] - Former OpenAI chief scientist Ilya Sutskever has been appointed CEO of SSI [2] - Shanghai has introduced a "Traffic Safety Code" requiring delivery riders to hold a "green code" to accept orders [2] - The National Medical Products Administration has announced ten measures to support major innovations in high-end medical devices [2] - Employees reported that Roma Technology has notified a complete shutdown, with salaries only paid until June; the company later clarified it is not bankrupt [2]