Given a certain budget,Texas Department of Transportation (TxDOT) can utilize the budget to deploy emission reduction technologies to minimize emissions from the construction equipment located in the nonattainment and near-nonattainment counties. Reducing the emission levels from the equipment fleet is a benefit to society through improved health, and to public agencies through reaching conformity and attainment. However, purchasing these emission reduction technologies is a cost to TxDOT. Therefore, it is essential for TxDOT to use their budget effectively to deploy the emission reduction...