Rotating machinery is the heart of many industrial operations, but many engineers and technicians perform shaft alignment by guesswork or with limited knowledge of the tools and methods available to accurately and effectively align their machinery. Two decades ago, John Piotrowski conferred upon the field an unprecedented tool: the first edition of the Shaft Alignment Handbook. Two editions later, this bestselling handbook is still the most trusted and widely embraced guide in the field. T...

Petroleum product subsidies have again started to increase with the rebound in international prices. This note reviews recent developments in subsidy levels and argues that reforming the policy framework for setting petroleum product prices is necessary to reduce the fiscal burden of these subsidies and to address climate change. Between 2003 and mid-2008, global consumer subsidies for petroleum products are estimated to have increased more than eightfold, from $57 billion to $490 billion....