Already a Bloomberg.com user?
Sign in with the same account.
Don't have an account?
Help! I can't access my account.
Aug. 10 (Bloomberg) -- Bloomberg's Carol Massar gives us an inside look at Caterpillar's proving ground for tractors and their virtually reality lab where new machines can be tested before they're even built.
On Air Now
On The Move
©2014 Bloomberg L.P. All Rights Reserved. Made in NYC