Under government pressure — and by “pressure” we mean asking meekly in a very soft voice — companies that have received funding from the taxpayer-funded TARP program have outlined the controls they plan to put in place to limit “luxury expenditures.” And — surprise! — the definition of “luxury” is very different for the corporate titans spending your money. While most big banks have put at least some limits on personal use of corporate jets, many seem to echo Bank of America‘s policies on official use, which state that that execs can use private planes for “safety and efficiency reasons,” no advance approval required.