EXHIBIT 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

     We consent to the incorporation by reference in Registration Statement Nos.
333-17485, 333-30933, 333-17487, 333-41535, 333-27279, 333-23249, 333-27281,
333-41537, 333-48777, 333-76261, 333-33442, 333-33934, 333-58056, 333-101973,
333-113705, 333-142475 and 333-142473 on Form S-8, and Registration Statement
No. 333-24291 on Form S-3 of our reports dated February 29, 2008, relating to
the consolidated financial statements and financial statement schedule of
Tenneco Inc. and consolidated subsidiaries (which report expresses an
unqualified opinion and includes explanatory paragraphs regarding the Company's
adoption of the measurement date provisions of Statement of Financial Accounting
Standards No. 158, "Employers' Accounting for Defined Benefit Pension and Other
Postretirement Plans -- an amendment of FASB Statements No 87, 88, 106, and
132(R)" on January 1, 2007 and the Company's adoption of Statement of Financial
Accounting Standards No. 123(R), "Share-Based Payment" on January 1, 2006 and
the Company's adoption of the recognition and disclosure provisions of Statement
of Financial Accounting Standards No. 158, "Employer's Accounting for Defined
Benefit Pension and Other Postretirement Plans -- an amendment of FASB
Statements No. 87, 88, 106 and 132(R)" on December 31, 2006) and Tenneco's
internal control over financial reporting (which report expresses an adverse
opinion on the effectiveness of the Company's internal control over financial
reporting because of a material weakness), appearing in this Annual Report on
Form 10-K of Tenneco Inc. for the year ended December 31, 2007.

DELOITTE & TOUCHE, LLP

Chicago, Illinois
February 29, 2008