the [Apple] team that has been working on an electric car (possibly self-driving) under the codename 'Titan' has made enough progress [treehugger.com] for the company to give the project "committed" status, with a target shipping date of 2019 (which isn't exactly the same thing as a commercialization date in Apple jargon, so the actually launch could be later).
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The size of the team working on the 'Titan' EV was apparently increased from 600 people to 1,800, which is a lot. It's also telling that Apple has been poaching many Tesla employees lately (and vice versa). You'd think that if Apple couldn't show these people - especially the higher level employees - something really promising to convince them to come over, they would stick with Tesla, a company that is doing many exciting things and not exactly what you'd think of when you think of employee-retention challenges...
The traditional view is that competition would be bad for Tesla, but in this case competition might benefit both by accelerating the conversion from gas-powered cars to EVs.