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Stocks down as automakers, Boeing lead China's hit list in trade spat

Shares in U.S. exporters of everything from planes to tractors fell on Wednesday after China retaliated against the Trump administration's tariff plans by proposing duties on key U.S. imports including soybeans, beef and chemicals. U.S. automakers' products are prominent on China's list of tariff targets, yet shares of automakers ended higher on Wednesday as Wall Street stocks changed course in the afternoon when investors' trade fears subsided. Tesla shares closed 7.3 percent higher at $286.94, Ford shares gained 1.6 percent to close at $11.33, and GM shares were up 3 percent at $38.03. Aircraft maker Boeing closed down 1 percent, weighing the most on the Dow Jones Industrial Average as documents from China's Ministry of Commerce and the U.S. manufacturer showed the move would affect some older Boeing narrowbody models. It was not immediately clear how much the tariffs would impact its newer aircraft. Boeing said it was assessing the situation while analysts from JP Morgan said the proposals from China looked to have been calibrated carefully to avoid a major impact on the planemaker. Fellow Dow component 3M lost as much as 2.4 percent. And farming equipment maker Deere lost nearly $10 per share at its lowest. The company urged the two countries to work toward a resolution to "limit uncertainty for farmers and avoid meaningful disruptions to agricultural trade." The speed with which the trade spat between Washington and Beijing is ratcheting up — the Chinese government took less than 11 hours to respond with its own measures — led to a sharp selloff in global stock markets and commodities. China was hitting back against U.S. President Donald Trump's plans to impose tariffs on $50 billion in Chinese goods with similar tariffs on U.S. goods even as Trump said the country is "not in a trade war with China." "Everybody knew they were going to retaliate. The question was how strong of a retaliation. Today's move clearly shows that they mean business," said Adam Sarhan, chief executive of 50 Park Investments in New York. China levied 25 percent additional tariffs on U.S. goods, but unlike Washington's list that covers many obscure industrial items, Beijing's covers 106 key U.S. imports including soybeans, planes, cars, whiskey and chemicals. Trump denied that the tit-for-tat moves amounted to a trade war between the world's two economic superpowers.

CES 2018 brings a buffet of automotive tech — here's a taste

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Recharge Wrap-up: Ferrock a carbon-negative cement substitute, Audi makes e-diesel

A cement alternative uses recycled materials and traps CO2 rather than producing it. Invented by David Stone at the University of Arizona, Ferrock uses recycled steel dust and glass to produce a substance stronger than conventional concrete. Cement has a high carbon footprint from the high heat needed to process the limestone. Ferrock needs no such heat, and it actually uses CO2 to harden, making it, as Stone calls it, a carbon-negative material. Learn more in the video above, see the transcript at PBS NewsHour and read more at Green Car Reports. Teslarati offers a detailed rundown of Tesla's new Valet Mode feature for the Model S. Part of the Firmware 6.2 update, Valet Mode allows the owner to disable certain performance features and block personal information when letting someone else drive the car. It limits the car's to speed to 70 miles per hour, and caps output at 80 kW. It can also disable mobile app access, Homelink, Bluetooth and wifi and the "Places" function, which stores addresses for you. The folks at Teslarati did find some shortcomings in the new feature, though. Read more at Teslarati. Audi has produced its first batch of e-diesel made from water and CO2. The fuel is made by reacting hydrogen from the water with CO2 to make long-chain hydrocarbon compounds called "blue crude." That can then be refined similarly to crude oil to make e-diesel, which is a fuel free from sulfur and aromatic hydrocarbons. That e-diesel can be used on its own, or mixed with fossil fuel diesel to power a vehicle. "In developing Audi e-diesel we are promoting another fuel based on CO2 that will allow long-distance mobility with virtually no impact on the climate," says Audi Head of Sustainable Product Development Reiner Mangold. Read more in the press release below. Fuel of the future: Research facility in Dresden produces first batch of Audi e-diesel - The verdict: Pilot plant produces high-quality diesel fuel - No need for mineral oil: e-diesel made from water, CO2 and green power - Minister Wanka: "Synthetic diesel using CO2 is a huge success" Audi has taken another big step in the development of new, CO2 neutral fuels: A pilot plant in Dresden has started production of the synthetic fuel Audi e diesel. After a commissioning phase of just four months, the research facility in Dresden started producing its first batches of high-quality diesel fuel a few days ago. To demonstrate its suitability for everyday use, Federal Minister of Education and Research Prof.