Trump Presses GM to Keep Jobs in Ohio

What are the potential effects on suppliers due to changes in General Motors' strategy?

How has the shift from car to truck affected General Motors' revenue and profit contributions?

What challenges does General Motors face in producing smaller or mid-sized cars?

In what ways has the market in China changed for General Motors, and how does it impact their strategy?

What is the significance of electric vehicles in General Motors' future plans according to the text?