While major oil companies including Exxon Mobil have chosen to continue to operate under the integrated model, others, like ConocoPhillips, have spun off their refining businesses to concentrate on higher margin production units.
Renault, fourth last year, and Williams both launch their cars at that test on Monday, while BMW Sauber - third overall in 2008 - have chosenthe Valencia track in Spain for the first public appearance of their new model.
They were chosen because they have a fully developed economic model with a demonstrated ability to estimate the effects of rate cuts in promoting jobs and economic growth.
The included app's well-designed interface shows an animation of your putts and displays a curve indicating the path of your stroke, which can be overlaid against that of a previous, model putt you've chosen.