Hybrid sales in the UK and mainland Europe have doubled over the past five years and are expected to reach 700,000 annually by the end of the decade. The Kia Niro - the Korean carmaker's third plug-in hybrid (PHEV) after the Optima and Optima Sportswagon - slots into this blossoming market place. Continuing QUBE/just-auto's review of interior design and technology trends, we slip inside this compact crossover to see if this is just another small SUV or something different.