Topics shift to the environment as oil executives meet in Texas;
<h3>'It really reflects how the times change,' says Daniel Yergin, whose group is the sponsor.</h3><p class="source">The Los Angeles Times</p>
<p>All the talk of ethanol, biofuels and climate change represented a striking departure from the hot topics that have coursed through this energy conference over the last 25 years. But oil industry critics at the Foundation for Taxpayer and Consumer Rights weren't impressed. "Big Oil CEOs are meeting in Houston this week to develop a message on making their industry look better -- greener and more committed to energy efficiency. But their underlying business strategy hasn't changed a bit," the Santa Monica-based consumer group said in a Tuesday statement.</p>
