A waste heat recovery apparatus for use with an internal combustion engine, comprising: a working fluid circuit; an expander connected in the working fluid circuit to receive working fluid; a condenser connected in the working fluid circuit to receive the working fluid from the expander; a first heating line in the working fluid circuit including a first heat exchanger operatively connected to transfer heat energy to the working fluid from a waste exhaust gas flow of an internal combustion engine; the waste heat recovery apparatus further comprising: a second heating line in the working fluid circuit parallel to the first heating line and having a second heat exchanger operatively connected to transfer heat energy to the working fluid from an exhaust gas recirculation cooler of an internal combustion engine, wherein, the first heating line and the second heating line include a dividing junction upstream of the first heat exchanger and second heat exchanger and a combining junction downstream of the first heat exchanger and second heat exchanger, wherein the first and second heating lines (30, 32) rejoin at the combining junction 18 into a single line that is operatively connected to an inlet of the expander, wherein the expander has an outlet from which working fluid exits the expander, and the waste heat recovery apparatus further comprising a recuperator operatively connected to transfer heat energy from the working fluid exiting the expander to the working fluid in the first heating line, characterized in the waste heat recovery apparatus comprising a valve connected at the dividing junction to control a flow of the working fluid selectively into at least one of the first heating line and second heating line. a working fluid circuit; an expander connected in the working fluid circuit to receive working fluid; a condenser connected in the working fluid circuit to receive the working fluid from the expander; a first heating line in the working fluid circuit including a first heat exchanger operatively connected to transfer heat energy to the working fluid from a waste exhaust gas flow of an internal combustion engine; the waste heat recovery apparatus further comprising: a second heating line in the working fluid circuit parallel to the first heating line and having a second heat exchanger operatively connected to transfer heat energy to the working fluid from an exhaust gas recirculation cooler of an internal combustion engine, wherein, the first heating line and the second heating line include a dividing junction upstream of the first heat exchanger and second heat exchanger and a combining junction downstream of the first heat exchanger and second heat exchanger, wherein the first and second heating lines (30, 32) rejoin at the combining junction 18 into a single line that is operatively connected to an inlet of the expander, wherein the expander has an outlet from which working fluid exits the expander, and the waste heat recovery apparatus further comprising a recuperator operatively connected to transfer heat energy from the working fluid exiting the expander to the working fluid in the first heating line, characterized in the waste heat recovery apparatus comprising a valve connected at the dividing junction to control a flow of the working fluid selectively into at least one of the first heating line and second heating line. a second heating line in the working fluid circuit parallel to the first heating line and having a second heat exchanger operatively connected to transfer heat energy to the working fluid from an exhaust gas recirculation cooler of an internal combustion engine, wherein, the first heating line and the second heating line include a dividing junction upstream of the first heat exchanger and second heat exchanger and a combining junction downstream of the first heat exchanger and second heat exchanger, wherein the first and second heating lines (30, 32) rejoin at the combining junction 18 into a single line that is operatively connected to an inlet of the expander, wherein the expander has an outlet from which working fluid exits the expander, and the waste heat recovery apparatus further comprising a recuperator operatively connected to transfer heat energy from the working fluid exiting the expander to the working fluid in the first heating line, characterized in