马斯克离职后将成特朗普顾问！反对无序“价格战”！中汽协最新倡议！特朗普：钢铁关税提高至50%！警方通报“男子跳入兵马俑坑”！

Group 1 - The article discusses the establishment of the "Government Efficiency Department" led by Elon Musk, aimed at reducing government spending, with Trump praising its achievements [2] - Trump announced that the department will continue its efforts to cut government expenses and that most of Musk's team will remain in their positions [2] - Musk expressed his commitment to support Trump as an advisor while the department's team is expected to grow stronger over time [2] Group 2 - The China Automobile Industry Association (CAAM) released an initiative opposing disorderly "price wars" in the automotive industry, highlighting the rapid growth of the new energy vehicle sector, which now accounts for over 40% of new car sales [5][6] - The initiative points out that the industry's profitability has declined due to "involution-style" competition, primarily manifested as chaotic price wars, which threaten normal business operations and supply chain security [5][6] - CAAM calls for all companies to adhere to fair competition principles, avoid monopolistic practices, and refrain from selling products below cost, which could harm industry health and consumer rights [8] Group 3 - Trump announced an increase in tariffs on imported steel from 25% to 50% to protect the U.S. steel industry from unfair competition, effective from the following week [10] - The announcement led to significant stock price increases for U.S. steel companies, with Cleveland-Cliffs Inc. rising over 26% in after-hours trading [10] - The new tariff level is expected to support Trump's commitments regarding U.S. steel production and address concerns over foreign control of the industry [10]