Attached files

file filename
S-1/A - AMENDMENT NO. 2 TO FORM S-1 - Luca Technologies Incd196595ds1a.htm
EX-23.4 - CONSENT OF RYDER SCOTT COMPANY, L.P. - Luca Technologies Incd196595dex234.htm
EX-23.2 - CONSENT OF ERNST & YOUNG LLP - Luca Technologies Incd196595dex232.htm

EXHIBIT 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the reference to our firm under the caption “Experts” and to the use of our report dated April 13, 2009, in Amendment No. 2 to the Registration Statement on Form S-1 (No. 333-175211) and related Prospectus of Luca Technologies Inc. dated September 15, 2011.

/s/ Ehrhardt Keefe Steiner & Hottman PC

Denver, Colorado

September 15, 2011