Houston, TX-Based Chemical Co LyondellBasell 4Q 2017 Net Income Was $1.898 Bil, Up 146% or Up By $1.128 Bil From the 4Q 2016 Net Income of $770 Mil ....................................................................................... $819 Mil or 73% of the $1.128 Bil Net Income Improvement Was From an Income Tax Benefit Resulting From the Tax Debt Forgiveness Feature Included in the Texas-Favored US Trump Tax Bill