Ford is beginning production on the latest version of its F-150 full-size pickup truck, which is the bestselling vehicle in the U.S. and a crucial product for the automaker, CNBC reports. Ford's F-Series lineup of full-size trucks is the industry's leading truck brand, and the F-150 makes up the lion's share of sales. It has been the bestselling truck in America for 43 years. But it faces relentless challenges, mostly from American brands from rivals General Motors and Fiat Chrysler... Tab, Coca-Cola's first diet soda, is among the drinks heading for retirement at the end of the year as the company trims its portfolio to focus on bigger brands and products with more growth potential. Coke first introduced Tab in 1963, but its popularity faded after the company introduced Diet Coke. The coronavirus pandemic has accelerated the company's plans to slim down its number of product offerings…