May 2 (Reuters) - Ballard Power Systems Inc BLDP.TO :
* BALLARD REPORTS Q1 2018 RESULTS
* QTRLY TOTAL REVENUE WAS $20.1 MILLION IN QUARTER, A YEAR-OVER-YEAR DECREASE OF 11%
* OUTLOOK FOR FULL YEAR REMAINS UNCHANGED
* QTRLY LOSS PER SHARE $0.03
* QTRLY ADJUSTED LOSS PER SHARE $0.03