<p>As prices plummet toward the lowest levels since the commodity&rsquo;s inception, could a $5 a barrel oil prices really become a reality?&nbsp; U.S. oil futures just hit an 18-year low as an oil-price war between Saudi Arabia and Russia rolls on, and that has a few traders and analysts wondering how low can prices go?</p>

<p>History tells us that the cure for low prices is low prices. Typically, cheap fuel means increased purchases, and higher demand would cause prices to rise again. But the spread of the Covid-19 virus makes that demand response impossible today.</p>
