A composition comprising an azeotropic or near- azeotropic composition selected from the group consisting of: about 1 weight percent to about 99 weight percent trans-HFC-1234ze and about 99 weight percent to about 1 weight percent HFC-134; about 1 weight percent to about 52 weight percent trans-HFC-1234ze and about 99 weight percent to about 48 weight percent HFC-161 and about 87 weight percent to about 99 weight percent trans-HFC-1234ze and about 13 weight percent to about 1 weight percent HFC-161; about 54 weight percent to about 99 weight percent trans-HFC-1234ze and about 46 weight percent to about 1 weight percent HFC-236ea; about 44 weight percent to about 99 weight percent trans-HFC-1234ze and about 56 weight percent to about 1 weight percent HFC-236fa; about 67 weight percent to about 99 weight percent trans-HFC-1234ze and about 33 weight percent to about 1 weight percent HFC-245fa; about 1 weight percent to about 99 weight percent trans-HFC-1234ze and about 99 weight percent to about 1 weight percent CF 3 I; about 80 weight percent to about 98 weight percent HFC-125, about 1 weight percent to about 19 weight percent trans-HFC-1234ze and about 1 weight percent to about 10 weight percent isobutane; about 80 weight percent to about 98 weight percent HFC-125, about 1 weight percent to about 19 weight percent trans-HFC-1234ze and about 1 weight percent to about 10 weight percent n- butane; about 1 weight percent to about 99 weight percent cis-HFC-1234ze and about 99 weight percent to about 1 weight percent HFC-236ea; about 1 weight percent to about 99 weight percent cis-HFC-1234ze and about 99 weight percent to about 1 weight percent HFC-236fa; about 1 weight percent to about 99 weight percent cis-HFC-1234ze and about 99 weight percent to about 1 weight percent HFC-245fa; about 1 weight percent to about 98 weight percent trans-HFC-1234ze, about 1 weight percent to about 98 weight percent HFC-1243zf and about 1 weight percent to about 98 weight percent HFC-227ea; about 1 weight percent to about 98 weight percent trans-HFC-1234ze, about 1 weight percent to about 98 weight percent HFC-134 and about 1 weight percent to about 98 weight percent HFC-152a; about 1 weight percent _ to about 98 weight percent trans-HFC-1234ze, about 1 weight percent to about 98 weight percent HFC-134 and about 1 weight percent to about 98 weight percent HFC-227ea; about 1 weight percent to about 98 weight percent trans-HFC-1234ze, about 1 weight percent to about 98 weight percent HFC-134 and about 1 weight percent to about 40 weight percent dimethylether; about 1 weight percent to about 98 weight percent trans-HFC-1234ze, about 1 weight percent to about 98 weight percent HFC-134a and about 1 weight percent to about 98 weight percent HFC-152a; about 1 weight percent to about 98 weight percent trans-HFC-1234ze, about 1 weight percent to about 98 weight percent HFC-152a and about 1 weight percent to about 50 weight percent n-butane; about 1 weight percent to about 98 weight percent trans-HFC-1234ze, about 1 weight percent to about 98 weight percent HFC-152a and about 1 weight percent to about 98 weight percent dimethylether; about 1 weight percent to about 98 weight percent trans-HFC-1234ze, about 1 weight percent to about 98 weight percent HFC-227ea and about 1 weight percent to about 40 weight percent n-butane; about 1 weight percent to about 98 weight percent trans-HFC-1234ze, about 1 weight percent to about 30 weight percent n- butane and about 1 weight percent to about 98 weight percent CF 3 I; and about 1 weight percent to about 98 weight percent trans-HFC-1234ze, about 1 weight percent to about 40 weight percent isobutane and about 1 weight percent to about 98 weight percent CF 3 I; or selected from the group consisting of: 9.5 weight percent trans-HFC-1234ze and 90.5 weight percent HFC-134a having a vapor pressure of about 15.5 psia (107 kPa) at a temperature of about -25 °C; 21.6 weight percent trans-HFC-1234ze and 78.4 weight percent HFC-152a having a vapor pressure of about 14.6 psia (101 kPa) at a temperature of about -25 °C; and 59.2 weight percent trans-HFC-1234ze and 40.8 weight percent HFC-227ea having a vapor pressure of about 11.7 psia (81 kPa) at a temperature of about -25 °C.