Response to Comment on “Life-Cycle Analysis of Alternative Automobile Fuel/Propulsion Technologies”

<p>We thank Seager and Brown (<em><a>1</a></em>) for their comments. We agree that “LCA can be an objective, scientific approach to testing certain hypotheses ...,” that “The greatest value in [our article] ... is not conclusions, per se, but the methodology employed” and that the value of abating air pollutants ...”vary widely”. In particular, our valuation of air pollutants displays a wide range of values (<em><a>2</a></em>). The other points require discussion.</p>