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Class 8 truck sales rose 19.4% in June over the year-ago level, extending a growth pattern that dealers and analysts said could be in jeopardy during the rest of 2012 because of growing economic uncertainty.

Heavy trucks are being temporarily banned from thousands of miles of secondary roads across northern New England with the early arrival of spring, the Associated Press reported Monday.

Manufacturers and sellers of components, parts and systems for heavy-duty trucks will examine the state of their industry, the economy at large and issues of corporate culture at two meetings in Las Vegas, Jan. 23-26.