Although the cost of research and development makes hybrids more expensive than conventional counterparts, rail experts agree that the savings achieved by improved fuel efficiency can provide quick return on investment. (scientificamerican.com)
This additional cash flow means you're able to garner a much quicker return on your investment. (greenresidential.com)
They save money on their heating costs each month, which means they get a pretty quick return on their investment in the electric mattress pad. (best-mattress-reviews.com)