US schools are rebuilding their strength in this ranking, with their number increasing to 51. This had dropped below 50 for the first time in 2016, down to 47. Six of the eight new or returning schools are from the US.
Andrew Hill is management editor
Debrecen is Hungary's second largest city after Budapest, and the heart of low-cost Hungary.
In being named CEO, Mary Barra broke through several historical barriers in moving from GM's third-most powerful executive position to its first. Her job was made both easier by the appointment of a non-executive chairman to handle the board of directors, and more difficult by the decision to give her old job to one of her rivals. As the first product engineer to head the company in two decades, she will be deluged with suggestions about everything from air conditioning vents in new pickups to the future of brands like Buick and Chevrolet.
At a time when the overall stock market is idling with the parking brake on, Tesla shares are on a tear. Since the beginning of the year, they have risen 80%. Currently at $262, the stock is selling at close to its all-time high and has a market cap of $32 billion.
Dealers: Car dealers work toward reducing the paperwork involved in buying a car and the hours it takes to fill it out. That will give them more time to devote to upselling add-ons such as extended warranties, paint and fabric protection, and rust-proofing.