Sources: LafargeHolcim Ltd., Zurich; CP staff
The latest target in a LafargeHolcim investigation of 3D-printed concrete elements or structures is a pedestal for a new class of turbines, 150-200 meters high, that have the potential to harness one-third or more energy than the shorter towers dotting wind farms the world over.
Source: Ryan LLC, Dallas
Missouri provides contrasting outcomes regarding the application of sales tax to purchases of concrete for foundations. The Missouri Department of Revenue’s mid-February Letter Ruling 7780 concludes that a taxpayer’s purchase of ready mixed and rebar used to construct wind turbine tower foundations qualifies for the sales tax exemption covering machinery and equipment used in manufacturing.