1 Exhibit 23.4 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-4 of Chevron Corporation of our report dated February 26, 2001, relating to the financial statements and financial statement schedule, which appears in Chevron Corporation's Annual Report on Form 10-K for the year ended December 31, 2000. We also consent to the reference to us under the heading "Experts" in such Registration Statement. /s/ PricewaterhouseCoopers LLP San Francisco, California June 4, 2001