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In this experimental investigation, an attempt was made to increase the performance and reduce the emission by adding alkanes such as n-pentane and n-hexane separately at different proportions, such as 4%, 6% and 8% by volume, with diesel. The performance analysis reported that, at full load, the brake thermal efficiency was increased by 3.605%, 3.170%, 4.305%, 4.394%, 5.336% and 6.173% for the blending of 4% n-pentane, 6% n-pentane, 8% n-pentane, 4% n-hexane, 6% n-hexane and 8% n-hexane with diesel, respectively. The emission test concluded that the smoke density was increased by 9.915%, 9.905%, 6.325%, 9.573%, 6.154% and 5.983% for the blending of 4% n-pentane, 6% n-pentane, 8% n-pentane, 4% n-hexane, 6% n-hexane and 8% n-hexane with diesel, respectively. The NO x emission was decreased by 8.265%, 8.674%, 17.430%, 5.401%, 5.810% and 7.529% for the blending of 4% n-pentane, 6% n-pentane, 8% n-pentane, 4% n-hexane, 6% n-hexane and 8% n-hexane with diesel, respectively.

The nutritional and anti nutritional characterization of two tubers namely Manihot esculenta and Plecutranthus rotundifolius were analyzed. A comparative analysis of nutrients of cassava and Chinese potato were carried out using standard analytical techniques. Results obtained showed high amount of protein, vitamins and low amount of phosphorus were found in leaves of chinese potato. Cassava pulp revealed 65 mg of calcium and 28.6 mg of vitamin A. 29 mg of reducing sugar and 1.8 mg of phosphorus were found in cassava leaves. Anti nutrients were accumulated more in cassava than chinese potato.