Prices for Caterpillar construction equipment will rise by about 12% over the next four years as the company rolls out new and revised models that meet the next level of worldwide clean-air standards. Photo: Caterpillar Inc. The engine compartment of Cat’s Tier 4 excavator is about 12 in. taller than previous models to accommodate new tailpipe controls. About a third of the overall price increase will start next year, said Cat officials at the company’s Peoria, Ill., headquarters on Feb. 11. In 2011, the U.S. Environmental Protection Agency’s Tier 4 Interim and European Union Stage IIIB standards take effect. The
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.